DIFF Subgroup
B28B 7/0091 Full Title
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; )
Search Classifications
Search for IPC and CPC classification codes or keywords
B28B 7/0091 Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; )