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公开(公告)号:CA743227A
公开(公告)日:1966-09-20
申请号:CA743227D
Applicant: ELECTRONICS CORP AMERICA
Inventor: WILLIAMS DAVID B
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公开(公告)号:US3180698A
公开(公告)日:1965-04-27
申请号:US20057562
申请日:1962-06-06
Applicant: ELECTRONICS CORP AMERICA
Inventor: WILLIAMS DAVID B
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