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公开(公告)号:US2975050A
公开(公告)日:1961-03-14
申请号:US66352557
申请日:1957-06-04
Applicant: SUPERIOR TUBE CO
Inventor: BOUNDS ARDREY M , HOFF RICHARD L
CPC classification number: H01J1/26 , C22C19/007
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公开(公告)号:US2833647A
公开(公告)日:1958-05-06
申请号:US64461057
申请日:1957-03-07
Applicant: SUPERIOR TUBE CO
Inventor: HOFF RICHARD L , BOUNDS ARDREY M
IPC: H01J1/26
CPC classification number: H01J1/26
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公开(公告)号:US2566115A
公开(公告)日:1951-08-28
申请号:US17513850
申请日:1950-07-21
Applicant: SUPERIOR TUBE CO
Inventor: BOUNDS ARDREY M
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公开(公告)号:US2938785A
公开(公告)日:1960-05-31
申请号:US67165557
申请日:1957-07-12
Applicant: SUPERIOR TUBE CO
Inventor: BOUNDS ARDREY M , HOFF RICHARD L
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公开(公告)号:US2836491A
公开(公告)日:1958-05-27
申请号:US66605357
申请日:1957-06-17
Applicant: SUPERIOR TUBE CO
Inventor: BOUNDS ARDREY M , HOFF RICHARD L
IPC: H01J1/26
CPC classification number: H01J1/26
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公开(公告)号:US2809890A
公开(公告)日:1957-10-15
申请号:US54696355
申请日:1955-11-15
Applicant: SUPERIOR TUBE CO
Inventor: BOUNDS ARDREY M
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