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1.发明授权Tachometer responsive to ignition pulses utilizing a zener diode-inductor filter 失效使用齐纳二极管电感滤波器响应点火脉冲的转速计
公开(公告)号：US3219926A
公开(公告)日：1965-11-23
申请号：US5624260
申请日：1960-09-15
Applicant: GEN MOTORS CORP
Inventor： DION WARREN E
IPC: G01P3/48
CPC classification number: G01P3/4807
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公开(公告)号：US2982402A
公开(公告)日：1961-05-02
申请号：US62457356
申请日：1956-11-27
Applicant: GEN MOTORS CORP
Inventor： DION WARREN E
IPC: G01N22/02
CPC classification number: G01N22/02
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公开(公告)号：US2845177A
公开(公告)日：1958-07-29
申请号：US59350456
申请日：1956-06-25
Applicant: GEN MOTORS CORP
Inventor： PERKINS WALLACE W , DION WARREN E
IPC: G01N21/95
CPC classification number: G01N21/951 , Y10S209/934
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