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公开(公告)号：US1948810A
公开(公告)日：1934-02-27
申请号：US68712133
申请日：1933-08-28
Applicant: GEN MOTORS RES CORP
Inventor： TYLER JOHN M
IPC: F02F1/10
CPC classification number: F02F1/102
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公开(公告)号：US1929106A
公开(公告)日：1933-10-03
申请号：US52582831
申请日：1931-03-27
Applicant: GEN MOTORS RES CORP
Inventor： DEGRIFT THOMAS C VAN , TYLER JOHN M
IPC: F16F15/121
CPC classification number: F16F15/121
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