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公开(公告)号：US3460147A
公开(公告)日：1969-08-05
申请号：US3460147D
申请日：1967-12-11
Applicant: SERVO CORP OF AMERICA
Inventor： RICHTER FREDERICK G , GUERRIERE THOMAS V , WILLIAMS CHRISTIAN B
CPC classification number: G01S3/54
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