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公开(公告)号:US2748207A
公开(公告)日:1956-05-29
申请号:US28747452
申请日:1952-05-13
Applicant: GEN MOTORS CORP
Inventor: CLAYTON DAVID P , ONKSEN GEORGE W
IPC: B60Q1/34
CPC classification number: B60Q1/343
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32.
公开(公告)号:US2747139A
公开(公告)日:1956-05-22
申请号:US31315652
申请日:1952-10-04
Applicant: GEN MOTORS CORP
Inventor: FOLAND FRANCIS K , ONKSEN GEORGE W , TODD HAROLD E
IPC: B60Q1/14
CPC classification number: B60Q1/1423 , B60Q2300/42
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公开(公告)号:US2682807A
公开(公告)日:1954-07-06
申请号:US13238349
申请日:1949-12-10
Applicant: GEN MOTORS CORP
Inventor: ONKSEN GEORGE W
IPC: G02B5/124
CPC classification number: G02B5/124
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