| http://www.w3.org/ns/prov#value | - The mobile finger 27 may advantageously be formed simply in the form of a lateral guide 12 section which is made to be displaceable, preferably rotatable (double arrow 29) about a hinge 28 arranged on the upstream side.The operators of installations for manufacturing containers made of thermoplastic material, in particular PET, by blow-moulding or stretch blow-moulding of preforms demand that thei
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