CPC Subgroup
B30B 11/201 Full Title
Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses (for clay or mixtures containing cement B28B; for plastics materials B29) > Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
4 direct subcodes
Child Classifications
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