| C04B38/00 | Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B 5/06) |
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Note(s) Porous mortars, concrete, artificial stone or ceramic ware characterised by the ingredients or compositions are also classified in groups C04B 2/00-C04B 35/00 [4] |
Descriptions for C04B38/00 and notes/indexes are displayed on this screen.