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公开(公告)号:US2569032A
公开(公告)日:1951-09-25
申请号:US2433448
申请日:1948-04-30
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W
IPC: H01J49/04
CPC classification number: H01J49/24 , Y10T137/86083 , Y10T137/86187 , Y10T137/877
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公开(公告)号:US2423864A
公开(公告)日:1947-07-15
申请号:US47732043
申请日:1943-02-26
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W , HOSKINS EDMUND E
IPC: G01V1/18
CPC classification number: G01V1/181
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公开(公告)号:US2412237A
公开(公告)日:1946-12-10
申请号:US51352743
申请日:1943-12-09
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W , DWIGHT TAYLOR DANIEL
IPC: H01J49/04
CPC classification number: H01J49/0027
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公开(公告)号:US2412236A
公开(公告)日:1946-12-10
申请号:US51352643
申请日:1943-12-09
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W
IPC: H01J49/04
CPC classification number: H01J49/0027
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公开(公告)号:US2387786A
公开(公告)日:1945-10-30
申请号:US45166442
申请日:1942-07-20
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W
IPC: H01J49/04
CPC classification number: H01J49/0422
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公开(公告)号:US2378962A
公开(公告)日:1945-06-26
申请号:US51352543
申请日:1943-12-09
Applicant: CONS ENG CORP
Inventor: WASHBURN HAROLD W
IPC: H01J49/10
CPC classification number: H01J49/10
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