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公开(公告)号：US1754827A
公开(公告)日：1930-04-15
申请号：US2801625
申请日：1925-05-04
Applicant: AMERICAN RUBBER COMPANY
Inventor： HOLMBERG ALBERT W
CPC classification number: C08L7/02 , C08L91/00 , C08L2666/02
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