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公开(公告)号:US2696227A
公开(公告)日:1954-12-07
申请号:US28939852
申请日:1952-05-22
Applicant: INT STANDARD ELECTRIC CORP
Inventor: ALFRED BILLINGS WILLIAM , ZYGMUNT BRZOZOWSKI
IPC: H01J9/28
CPC classification number: H01J9/28
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公开(公告)号:US2749470A
公开(公告)日:1956-06-05
申请号:US35467453
申请日:1953-05-13
Applicant: INT STANDARD ELECTRIC CORP
Inventor: ALFRED BILLINGS WILLIAM , WILLIAM WRIGHT WALTER , TREVOR WATTS ALBERT
IPC: H01J1/20
CPC classification number: H01J1/20
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公开(公告)号:US2498644A
公开(公告)日:1950-02-28
申请号:US68792946
申请日:1946-08-02
Applicant: INT STANDARD ELECTRIC CORP
Inventor: ALFRED BILLINGS WILLIAM
CPC classification number: H01J5/32 , H01J5/42 , H01J2893/0034 , Y10S228/904
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公开(公告)号:US2438490A
公开(公告)日:1948-03-30
申请号:US49175243
申请日:1943-06-22
Applicant: INT STANDARD ELECTRIC CORP
Inventor: LESLIE ASHFORD JAMES , ALFRED BILLINGS WILLIAM
IPC: B23K11/25
CPC classification number: B23K11/251 , Y10T307/872
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