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公开(公告)号：US2683199A
公开(公告)日：1954-07-06
申请号：US32458952
申请日：1952-12-06
Applicant: GEN MOTORS CORP
Inventor： SPIRES JR KRELL E
IPC: H01H73/30
CPC classification number: H01H73/30
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2.发明授权Automatic washer having control means regulating the speed and torque of the drive motor 失效具有控制装置的自动洗衣机，其调节驱动电机的速度和扭矩
公开(公告)号：US3018649A
公开(公告)日：1962-01-30
申请号：US74507858
申请日：1958-06-27
Applicant: GEN MOTORS CORP
Inventor： BARBULESCO DANIEL J , MCCORMICK FRANCIS H , SPIRES JR KRELL E
CPC classification number: D06F37/304 , H02P29/40 , Y02B40/52
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公开(公告)号：US2714807A
公开(公告)日：1955-08-09
申请号：US26905452
申请日：1952-01-30
Applicant: GEN MOTORS CORP
Inventor： LELAND ROBERT W , SPIRES JR KRELL E
IPC: F25D21/00
CPC classification number: F25D21/008
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