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公开(公告)号:US1830233A
公开(公告)日:1931-11-03
申请号:US32891128
申请日:1928-12-28
Applicant: WESTINGHOUSE LAMP CO
Inventor: ANTON LEDERER ERNEST
CPC classification number: H01J19/40 , H01J19/38 , H01J2893/0018
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公开(公告)号:US1787690A
公开(公告)日:1931-01-06
申请号:US74959324
申请日:1924-11-13
Applicant: WESTINGHOUSE LAMP CO
Inventor: ANTON LEDERER ERNEST
IPC: H02M7/06
CPC classification number: H02M7/06
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公开(公告)号:US1752748A
公开(公告)日:1930-04-01
申请号:US13530126
申请日:1926-09-14
Applicant: WESTINGHOUSE LAMP CO
Inventor: ANTON LEDERER ERNEST
IPC: H01J19/44
CPC classification number: H01J19/44
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公开(公告)号:US1752747A
公开(公告)日:1930-04-01
申请号:US9379226
申请日:1926-03-10
Applicant: WESTINGHOUSE LAMP CO
Inventor: ANTON LEDERER ERNEST
IPC: H01J7/18
CPC classification number: H01J7/183
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公开(公告)号:US1659205A
公开(公告)日:1928-02-14
申请号:US75167824
申请日:1924-11-22
Applicant: WESTINGHOUSE LAMP CO
Inventor: ANTON LEDERER ERNEST
IPC: C22B34/30
CPC classification number: C22B34/30
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