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公开(公告)号：US3540708A
公开(公告)日：1970-11-17
申请号：US3540708D
申请日：1968-05-09
Applicant: RUBBER & PLASTIC RES ASS
Inventor： WATSON WILLIAM FERGUSON , NEWELL WILLIAM GEORGE
CPC classification number: B29C35/065 , B29C35/0227 , B29C35/025 , B29C35/049 , B29C47/00 , B29C47/0009 , B29C47/0023 , B29K2021/00
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