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公开(公告)号：US2364468A
公开(公告)日：1944-12-05
申请号：US41889841
申请日：1941-11-13
Applicant: GEN MOTORS CORP
Inventor： ONKSEN JR GEORGE W , DUELL CLIFFORD C
CPC classification number: B60Q1/2607 , F21S43/26
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