… Ceramic building bricks, flooring blocks, support or filler tiles and the like. …
Explanatory notes
… CERAMIC PRODUCTS GENERAL This sub-Chapter covers ceramic articles other than those of siliceous fossil meals or of … ceramics are almost completely vitrified, hard, and are essentially impermeable (even if they are not glazed). They … of building bricks after separation. All these bricks, especially those intended for facing, may be polished, …