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公开(公告)号：US2995145A
公开(公告)日：1961-08-08
申请号：US80670959
申请日：1959-04-15
Applicant: CONTROLS CO OF AMERICA
Inventor： HEISER FERDINAND F , HORA RICHARD E
IPC: G05D16/06
CPC classification number: G05D16/0663 , Y10T137/7504 , Y10T137/7825
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