CPC Subgroup
B29C 53/30 of tubes (by blow-moulding B29C49/00)
Full Title
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Corrugating > of tubes (by blow-moulding B29C49/00)
1 direct subcode
Child Classifications
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