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公开(公告)号：US2753913A
公开(公告)日：1956-07-10
申请号：US34118053
申请日：1953-03-09
Applicant: UNGER JULIUS L , UNGER ORLANDO B
Inventor： UNGER JULIUS L , UNGER ORLANDO B
IPC: B60C27/06
CPC classification number: B60C27/06
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