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公开(公告)号：US2917087A
公开(公告)日：1959-12-15
申请号：US63690057
申请日：1957-01-29
Applicant: DAYTON RUBBER COMPANY
Inventor： WYMAN CHARLES G
IPC: B29D30/48
CPC classification number: B29D30/48 , B29D2030/487
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