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公开(公告)号：US3222798A
公开(公告)日：1965-12-14
申请号：US24005162
申请日：1962-11-26
Applicant: CONTROLS CO OF AMERICA
Inventor： THORNBERRY JAMES M , MAAS JOHN E
IPC: D06F58/28
CPC classification number: D06F58/28 , D06F2058/2838
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