DIFF Subgroup
B28B 7/085 Full Title
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds provided with means for tilting or inverting
B28B 7/085 Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds provided with means for tilting or inverting