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公开(公告)号：US3523147A
公开(公告)日：1970-08-04
申请号：US3523147D
申请日：1967-09-28
Applicant: USM CORP
Inventor： HOLD PETER , AMATO DOMINIC A D , RAMAZZOTTI DARIO J
CPC classification number: B29C47/368 , B29B13/022 , B29C45/72 , B29C47/0009 , B29C47/0071 , B29C47/54
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