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公开(公告)号:US3328633A
公开(公告)日:1967-06-27
申请号:US26300563
申请日:1963-03-05
Applicant: NAT COMPANY INC
Inventor: JAMES GEORGE
IPC: H05H3/00
CPC classification number: H05H3/00
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公开(公告)号:US3058023A
公开(公告)日:1962-10-09
申请号:US1390960
申请日:1960-03-09
Applicant: NAT COMPANY INC
Inventor: JAMES GEORGE
IPC: H05H3/02
CPC classification number: H05H3/02
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公开(公告)号:US3305290A
公开(公告)日:1967-02-21
申请号:US26293863
申请日:1963-03-05
Applicant: NAT COMPANY INC
Inventor: ALEXANDER GANSSEN , JAMES GEORGE
IPC: H01J7/18
CPC classification number: H01J7/183
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公开(公告)号:US3005121A
公开(公告)日:1961-10-17
申请号:US83979059
申请日:1959-09-14
Applicant: NAT COMPANY INC
Inventor: JAMES GEORGE
IPC: H05H3/02
CPC classification number: H05H3/02
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