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公开(公告)号：US2767305A
公开(公告)日：1956-10-16
申请号：US29941852
申请日：1952-07-17
Applicant: GEN MOTORS CORP
Inventor： ONKSEN GEORGE W , HOKANS CARL A
IPC: F21V5/00
CPC classification number: F21V5/00 , F21S41/28 , F21S41/295 , F21W2107/10
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