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公开(公告)号：US2132100A
公开(公告)日：1938-10-04
申请号：US14870837
申请日：1937-06-17
Applicant: DOUGHERTY DAVID W
Inventor： DOUGHERTY DAVID W
IPC: B60J1/00
CPC classification number: E05F7/04 , Y10T16/625 , Y10T292/688
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