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公开(公告)号：US3159267A
公开(公告)日：1964-12-01
申请号：US15069861
申请日：1961-11-07
Applicant: BRITISH WEDGE WIRE COMPANY LTD
Inventor： KENNETT JEFFREY ERNEST HAROLD
CPC classification number: B65G17/06 , B65G17/08 , B65G2201/06
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