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公开(公告)号：US2133071A
公开(公告)日：1938-10-11
申请号：US20151238
申请日：1938-04-12
Applicant: DUNLOP RUBBER CO
Inventor： JOHN ANDERSON , MELON LANGSTRETH
IPC: D07B1/02
CPC classification number: D07B1/02 , D07B2201/1068 , D07B2501/2046
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