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公开(公告)号：US1532471A
公开(公告)日：1925-04-07
申请号：US62530623
申请日：1923-03-15
Applicant: GEN MOTORS CORP
Inventor： ARCHIE BOOM CLIFFORD
IPC: B60T11/04
CPC classification number: B60T11/043
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公开(公告)号：US1557969A
公开(公告)日：1925-10-20
申请号：US73202624
申请日：1924-08-14
Applicant: GEN MOTORS CORP
Inventor： ARCHIE BOOM CLIFFORD
IPC: F16D49/10
CPC classification number: F16D49/10
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