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公开(公告)号:US1935415A
公开(公告)日:1933-11-14
申请号:US63347532
申请日:1932-09-16
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
IPC: F04F9/00
CPC classification number: F04F9/00
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公开(公告)号:US1773008A
公开(公告)日:1930-08-12
申请号:US33326029
申请日:1929-01-18
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
IPC: H02M7/06
CPC classification number: H02M7/06
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公开(公告)号:US1734915A
公开(公告)日:1929-11-05
申请号:US30257128
申请日:1928-08-28
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
IPC: H02M7/06
CPC classification number: H02M7/066
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公开(公告)号:US2247078A
公开(公告)日:1941-06-24
申请号:US31745040
申请日:1940-02-05
Applicant: GEN ELECTRIC
Inventor: BOAG JOHN W , READ JOHN C
IPC: H02M7/04
CPC classification number: H02M7/046
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公开(公告)号:US2221524A
公开(公告)日:1940-11-12
申请号:US24408738
申请日:1938-12-05
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
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公开(公告)号:US1842947A
公开(公告)日:1932-01-26
申请号:US33326129
申请日:1929-01-18
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
IPC: H01J13/28
CPC classification number: H01J13/28 , H01J2893/0086
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公开(公告)号:US1794246A
公开(公告)日:1931-02-24
申请号:US24400427
申请日:1927-12-31
Applicant: GEN ELECTRIC
Inventor: READ JOHN C
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