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公开(公告)号:US1542385A
公开(公告)日:1925-06-16
申请号:US41638620
申请日:1920-10-12
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
CPC classification number: H01J9/042 , H01J1/14 , Y10T428/294
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公开(公告)号:US1586558A
公开(公告)日:1926-06-01
申请号:US60220522
申请日:1922-11-20
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
IPC: H01J9/04
CPC classification number: H01J9/045
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公开(公告)号:US1562164A
公开(公告)日:1925-11-17
申请号:US36330120
申请日:1920-03-04
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
IPC: H01J9/04
CPC classification number: H01J9/042 , Y10S428/929 , Y10S428/934
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公开(公告)号:US1689338A
公开(公告)日:1928-10-30
申请号:US51629721
申请日:1921-11-19
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
IPC: H01J1/14
CPC classification number: H01J1/14
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公开(公告)号:US1601066A
公开(公告)日:1926-09-28
申请号:US60555722
申请日:1922-12-08
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
IPC: H01J19/30
CPC classification number: H01J19/30 , H01J2893/002
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公开(公告)号:US1532533A
公开(公告)日:1925-04-07
申请号:US34543919
申请日:1919-12-16
Applicant: WESTERN ELECTRIC CO
Inventor: HARRIS JAMES E
IPC: H01J9/04
CPC classification number: H01J9/042
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