CPC Subgroup
B29C 48/2552 Full Title
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C49/04) > Component parts, details or accessories; Auxiliary operations > Flow control means, e.g. valves (flow dividers B29C48/695)