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公开(公告)号：US2671931A
公开(公告)日：1954-03-16
申请号：US18099750
申请日：1950-08-23
Applicant: SPONGE RUBBER PRODUCTS COMPANY , DAYTON RUBBER COMPANY
Inventor： LEON TALALAY
CPC classification number: B29C44/588 , B29C33/10 , B29C33/20 , Y10S425/812
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