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公开(公告)号:US3008051A
公开(公告)日:1961-11-07
申请号:US73417258
申请日:1958-05-09
Applicant: PHILIPS CORP
Inventor: NORMAN POCOCK SYDNEY
公开(公告)号:US3008051A
公开(公告)日:1961-11-07
申请号:US73417258
申请日:1958-05-09
Applicant: PHILIPS CORP
Inventor: NORMAN POCOCK SYDNEY