DIFF Subgroup
B28B 7/025 Full Title
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds with adjustable parts
B28B 7/025 Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds with adjustable parts