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The manufacture, by pressure, to the dry state and in powder form, the bricks, paving tiles and ordinary and of other products and to all architectural, molded or not, porcelain ordinary all colors and decorated or not decorated
The manufacture, by pressure, to the dry state and in powder form, the bricks, paving tiles and ordinary and of other products and to all architectural, molded or not, porcelain ordinary all colors and decorated or not decorated
