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公开(公告)号:US2026958A
公开(公告)日:1936-01-07
申请号:US54847231
申请日:1931-07-02
Applicant: GEN ELECTRIC
Inventor: KARL BECKER , KARL SCHROTER , HANS WOLFF
IPC: C22C29/06
CPC classification number: C22C29/06
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公开(公告)号:US2247176A
公开(公告)日:1941-06-24
申请号:US60954732
申请日:1932-05-05
Applicant: GEN ELECTRIC
Inventor: MARCELLO PIRANI , HANS EWEST , KARL BECKER
IPC: H01J61/20
CPC classification number: H01J61/20
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公开(公告)号:US2056152A
公开(公告)日:1936-10-06
申请号:US64231932
申请日:1932-11-11
Applicant: GEN ELECTRIC
Inventor: KARL BECKER
IPC: H01J61/10
CPC classification number: H01J61/10
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公开(公告)号:US2056907A
公开(公告)日:1936-10-06
申请号:US59213832
申请日:1932-02-10
Applicant: GEN ELECTRIC
Inventor: MARCELLO PIRANI , KARL BECKER
IPC: H01J61/10
CPC classification number: H01J61/10
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公开(公告)号:US1861581A
公开(公告)日:1932-06-07
申请号:US47034730
申请日:1930-07-24
Applicant: GEN ELECTRIC
Inventor: MARCELLO PIRANI , KARL BECKER , MARTIN REGER
IPC: H05B41/04
CPC classification number: H05B41/04 , Y10S315/05
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