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公开(公告)号：US2775072A
公开(公告)日：1956-12-25
申请号：US28231052
申请日：1952-04-15
Applicant: DAYTON RUBBER COMPANY
Inventor： MEYER LAWRENCE A
IPC: C14B5/04
CPC classification number: C14B5/04 , Y10T279/1058
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