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公开(公告)号：US2938384A
公开(公告)日：1960-05-31
申请号：US46909854
申请日：1954-11-16
Applicant: CONTROLS CO OF AMERICA
Inventor： SORENG EDGAR M , MCILVAINE DOUGLAS K , BELLER WILBERT E
IPC: G05D23/13
CPC classification number: G05D23/1326
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