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公开(公告)号：US2275796A
公开(公告)日：1942-03-10
申请号：US38188041
申请日：1941-03-05
Applicant: GEN MOTORS CORP
Inventor： NACKER OWEN M , VARGHA ANDREW L
IPC: B60Q1/42
CPC classification number: B60Q1/425
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