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公开(公告)号:US2313320A
公开(公告)日:1943-03-09
申请号:US34060540
申请日:1940-06-14
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
IPC: F16J1/04
CPC classification number: F16J1/04
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公开(公告)号:US2300647A
公开(公告)日:1942-11-03
申请号:US31400440
申请日:1940-01-15
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
CPC classification number: F02F3/02 , F05C2201/0448 , F16J9/06 , F16J9/063
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公开(公告)号:US2455728A
公开(公告)日:1948-12-07
申请号:US64984146
申请日:1946-02-25
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
IPC: F16J1/06
CPC classification number: F16J1/06
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公开(公告)号:US2704697A
公开(公告)日:1955-03-22
申请号:US16382450
申请日:1950-05-24
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
IPC: F16J1/06
CPC classification number: F16J1/06
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公开(公告)号:US2464554A
公开(公告)日:1949-03-15
申请号:US54899044
申请日:1944-08-11
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
CPC classification number: F16J1/04 , F02F3/025 , F05C2201/0448
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公开(公告)号:US2260001A
公开(公告)日:1941-10-21
申请号:US33205640
申请日:1940-04-27
Applicant: VACUUM AIR PRESSURE COMPANY LT
Inventor: DAVID BUSHBY
IPC: F16J1/04
CPC classification number: F16J1/04
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