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81.Hydraulic transmission, including one pump and a plurality of motors 失效
Title translation: 液压传动,包括一个泵和多个电动机公开(公告)号:US2548146A
公开(公告)日:1951-04-10
申请号:US73920847
申请日:1947-04-03
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
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公开(公告)号:US2538193A
公开(公告)日:1951-01-16
申请号:US53042544
申请日:1944-04-10
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F04C14/20
CPC classification number: F04C14/20
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公开(公告)号:US2490515A
公开(公告)日:1949-12-06
申请号:US57624245
申请日:1945-02-05
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
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公开(公告)号:US2480403A
公开(公告)日:1949-08-30
申请号:US55157844
申请日:1944-08-28
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F15B11/05
CPC classification number: F15B11/05 , F15B2211/20546 , F15B2211/30525 , F15B2211/32 , F15B2211/324 , F15B2211/325 , F15B2211/40515 , F15B2211/41554 , F15B2211/46 , F15B2211/50554 , F15B2211/5156 , F15B2211/7053 , F15B2211/75
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公开(公告)号:US2186409A
公开(公告)日:1940-01-09
申请号:US14678437
申请日:1937-06-07
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: F16H61/40
CPC classification number: F16H61/40
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公开(公告)号:US2182745A
公开(公告)日:1939-12-05
申请号:US2811735
申请日:1935-06-24
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: D01H1/36
CPC classification number: D01H1/36
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公开(公告)号:US2069651A
公开(公告)日:1937-02-02
申请号:US696735
申请日:1935-02-18
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: F01B3/105 , F01B3/0052
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公开(公告)号:US2047181A
公开(公告)日:1936-07-14
申请号:US40792029
申请日:1929-11-18
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: B23B7/12 , Y10T29/5158
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公开(公告)号:US2035647A
公开(公告)日:1936-03-31
申请号:US75130034
申请日:1934-11-03
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
CPC classification number: F04B9/02 , F01B1/0648 , F01B1/0655 , F01B13/065 , F03C1/0441
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公开(公告)号:US2016710A
公开(公告)日:1935-10-08
申请号:US47304230
申请日:1930-08-04
Applicant: OILGEAR CO
Inventor: WALTER FERRIS
IPC: B21D43/04
CPC classification number: B21D43/04 , Y10T83/4445 , Y10T83/4549 , Y10T83/4597 , Y10T83/4632
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