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公开(公告)号:US2523043A
公开(公告)日:1950-09-19
申请号:US1744348
申请日:1948-03-27
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F
IPC: H03D3/32
CPC classification number: H03D3/32
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公开(公告)号:US2084858A
公开(公告)日:1937-06-22
申请号:US74415834
申请日:1934-09-15
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F
IPC: H01J19/40
CPC classification number: H01J19/40
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公开(公告)号:US2125799A
公开(公告)日:1938-08-02
申请号:US7480636
申请日:1936-04-16
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F
IPC: H02M7/06
CPC classification number: H02M7/062
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公开(公告)号:US1978165A
公开(公告)日:1934-10-23
申请号:US56235731
申请日:1931-09-11
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F , KLING AUGUST J
IPC: H01L31/08
CPC classification number: H01L31/08
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公开(公告)号:US2220841A
公开(公告)日:1940-11-05
申请号:US32693340
申请日:1940-03-30
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F
IPC: H01J25/24
CPC classification number: H01J25/24
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公开(公告)号:US2024979A
公开(公告)日:1935-12-17
申请号:US71704534
申请日:1934-03-23
Applicant: GEN ELECTRIC
Inventor: METCALF GEORGE F
IPC: G01R25/00
CPC classification number: G01R25/00
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