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Publication of DK92382CpublicationCriticalpatent/DK92382C/en
DK412958A1957-11-151958-11-15
Method for supplying plastic pipe ends with coupling beads, preferably for assembling plastic pipes with metal pipes.
DK92382C
(en)
Method for manufacturing end joints, carrying strap reinforcements and a predetermined length drawn from a continuous supply strip of a zipper with coupling joints, as well as end joints for a zipper made by the method.