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公开(公告)号:US3050035A
公开(公告)日:1962-08-21
申请号:US4612260
申请日:1960-07-29
Applicant: GEN MOTORS CORP
Inventor: WILKENS CARL E , KELLER JR MILLARD W
IPC: B60T13/57
CPC classification number: B60T13/57
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公开(公告)号:US2748634A
公开(公告)日:1956-06-05
申请号:US28155452
申请日:1952-04-10
Applicant: GEN MOTORS CORP
Inventor: KOEHRING ROLAND P , WILKENS CARL E
IPC: B21H7/00
CPC classification number: B21H7/00
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公开(公告)号:US3016881A
公开(公告)日:1962-01-16
申请号:US75726158
申请日:1958-08-26
Applicant: GEN MOTORS CORP
Inventor: WILKENS CARL E , BAUMAN ROBERT H
IPC: B60T13/24
CPC classification number: B60T13/244
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