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公开(公告)号:US2828421A
公开(公告)日:1958-03-25
申请号:US44487254
申请日:1954-07-21
Applicant: PHILIPS CORP
Inventor: ALBERT STECKER , HEINZ BOCK
IPC: H03J3/14
CPC classification number: H03J3/14
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公开(公告)号:US2995651A
公开(公告)日:1961-08-08
申请号:US519660
申请日:1960-01-28
Applicant: PHILIPS CORP
Inventor: HEINZ BOCK
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公开(公告)号:US2928936A
公开(公告)日:1960-03-15
申请号:US67174857
申请日:1957-07-15
Applicant: PHILIPS CORP
Inventor: HEINZ BOCK
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