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公开(公告)号:US3545838A
公开(公告)日:1970-12-08
申请号:US3545838D
申请日:1966-03-28
Applicant: ADMIRAL CORP
Inventor: LEVIN NATHAN D , POTAKIS ANGELOS A
CPC classification number: H01J9/2274
公开(公告)号:US3545838A
公开(公告)日:1970-12-08
申请号:US3545838D
申请日:1966-03-28
Applicant: ADMIRAL CORP
Inventor: LEVIN NATHAN D , POTAKIS ANGELOS A
CPC classification number: H01J9/2274