CPC Subgroup
B28B 1/04 by tamping or ramming (followed by pressing B28B3/02)
Full Title
Producing shaped articles from the material (using presses B28B3/00; shaping on moving conveyors B28B5/00; producing tubular articles B28B21/00 ) > by tamping or ramming (followed by pressing B28B3/02)
1 direct subcode
Child Classifications
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