6902Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-15)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-14)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-11)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-10)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-7)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-6)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-5)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
6902.20.50 Other
変更後 (2025-4)
6902 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths:
6902.20 Containing by weight more than 50 percent of alumina (Al<sub>2</sub>O<sub>3</sub>), of silica (SiO<sub>2</sub>) or of a mixture or compound of these products: