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公开(公告)号:CH472009A
公开(公告)日:1969-04-30
申请号:CH221568
申请日:1968-02-15
Applicant: ELECTRONICS CORP AMERICA
Inventor: GEORGE BRADFORD METCALF ARTHUR , PHILLIP JOSEPH CADE
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公开(公告)号:CH462938A
公开(公告)日:1968-09-30
申请号:CH1686067
申请日:1967-11-30
Applicant: ELECTRONICS CORP AMERICA
Inventor: GEORGE BRADFORD METCALF ARTHUR
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