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公开(公告)号：US3151827A
公开(公告)日：1964-10-06
申请号：US23969562
申请日：1962-11-23
Applicant: SERVO CORP OF AMERICA
Inventor： GALLAGHER CORNELIUS A , MCDONALD JOSEPH F
IPC: B61L1/16
CPC classification number: B61L1/165
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公开(公告)号：US2848671A
公开(公告)日：1958-08-19
申请号：US48199655
申请日：1955-01-17
Applicant: SERVO CORP OF AMERICA
Inventor： MCDONALD JOSEPH F
IPC: H02P5/50
CPC classification number: H02P5/50
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