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公开(公告)号:US3258906A
公开(公告)日:1966-07-05
申请号:US34922164
申请日:1964-03-04
Applicant: GEN TIME CORP
Inventor: DEMBY SANFORD J
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公开(公告)号:US3201593A
公开(公告)日:1965-08-17
申请号:US10066361
申请日:1961-04-04
Applicant: GEN TIME CORP
Inventor: ANDERSON WILMER C , DEMBY SANFORD J
IPC: H03K3/30
CPC classification number: H03K3/30
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