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公开(公告)号：US3143306A
公开(公告)日：1964-08-04
申请号：US4938160
申请日：1960-08-12
Applicant: PRELOAD CORP
Inventor： DIJKMANS MAXIMILIAN J , MAGERS JR LEROY , BEINER RAYMOND S
CPC classification number: B29C53/602 , B29C53/824 , B29C69/002 , B29C70/088 , Y10T29/49874
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