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公开(公告)号:US2540765A
公开(公告)日:1951-02-06
申请号:US61362845
申请日:1945-08-30
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F01L13/00
CPC classification number: F01L13/00
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公开(公告)号:US2505260A
公开(公告)日:1950-04-25
申请号:US58716545
申请日:1945-04-07
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: E21B19/00
CPC classification number: E21B19/008 , Y10T477/60
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53.
公开(公告)号:US2482301A
公开(公告)日:1949-09-20
申请号:US60225545
申请日:1945-06-29
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F01L13/00
CPC classification number: F01L13/00 , F01L2760/002 , Y10S74/08 , Y10T74/18096 , Y10T74/18856 , Y10T74/18888
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公开(公告)号:US2477836A
公开(公告)日:1949-08-02
申请号:US55180444
申请日:1944-08-30
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F01L13/00
CPC classification number: F01L13/00 , F01L2760/002 , Y10T477/897
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公开(公告)号:US2444244A
公开(公告)日:1948-06-29
申请号:US56954544
申请日:1944-12-23
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: CAMPBELL JAMES A , HULL JOHN B , STEVENS ROY R
IPC: G05D13/00
CPC classification number: G05D13/00 , Y10T74/18992
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公开(公告)号:US2426065A
公开(公告)日:1947-08-19
申请号:US54159744
申请日:1944-06-22
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R , LINHART HARRY M
IPC: F01L13/08
CPC classification number: F01L13/08 , Y10T137/86968
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公开(公告)号:US2406264A
公开(公告)日:1946-08-20
申请号:US48804243
申请日:1943-05-22
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F02D25/00
CPC classification number: F02D25/00 , Y10S74/08 , Y10T74/18096
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公开(公告)号:US2404545A
公开(公告)日:1946-07-23
申请号:US58964045
申请日:1945-04-21
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F02D25/00
CPC classification number: F02D25/00 , Y10S74/08 , Y10T74/18096
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公开(公告)号:US2092364A
公开(公告)日:1937-09-07
申请号:US68224333
申请日:1933-07-26
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: B60T13/36
CPC classification number: B60T13/365 , Y10T137/2544
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公开(公告)号:US2088180A
公开(公告)日:1937-07-27
申请号:US75133434
申请日:1934-11-03
Applicant: WESTINGHOUSE AIR BRAKE CO
Inventor: STEVENS ROY R
IPC: F16C33/74
CPC classification number: F16C33/74
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