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公开(公告)号:US2596666A
公开(公告)日:1952-05-13
申请号:US9152649
申请日:1949-05-05
Applicant: GEN ELECTRIC
Inventor: EDGAR ROBERT F , LEONARD LEVINE
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公开(公告)号:US2352948A
公开(公告)日:1944-07-04
申请号:US48159143
申请日:1943-04-02
Applicant: GEN ELECTRIC
Inventor: EDGAR ROBERT F
IPC: H01H50/42
CPC classification number: H01H50/42
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公开(公告)号:US2236287A
公开(公告)日:1941-03-25
申请号:US30669339
申请日:1939-11-29
Applicant: GEN ELECTRIC
Inventor: EDGAR ROBERT F
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公开(公告)号:US2186826A
公开(公告)日:1940-01-09
申请号:US10052636
申请日:1936-09-12
Applicant: GEN ELECTRIC
Inventor: EDGAR ROBERT F
CPC classification number: G01B7/107
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公开(公告)号:US1998952A
公开(公告)日:1935-04-23
申请号:US71563534
申请日:1934-03-15
Applicant: GEN ELECTRIC
Inventor: EDGAR ROBERT F , CHARLES CONCORDIA
IPC: B61K9/10
CPC classification number: B61K9/10
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