CPC Main Group
C04B 33/00 Clay-wares (monolithic refractories or refractory mortars C04B35/66; porous products C04B38/00)
7 direct subcodes
Child Classifications
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- C04B 33/02 Preparing or treating the raw materials individually or as batches
- C04B 33/22 Grog products
- C04B 33/24 Manufacture of porcelain or white ware
- C04B 33/28 Slip casting (mechanical features B28B1/26)
- C04B 33/30 Drying methods
- C04B 33/32 Burning methods
- C04B 33/36 Reinforced clay-wares