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公开(公告)号：US2863281A
公开(公告)日：1958-12-09
申请号：US56239656
申请日：1956-01-31
Applicant: CONS ELECTRONICS IND
Inventor： HAYDON ARTHUR W , DONOVAN WILLIAM D
CPC classification number: H01C10/14 , F16D71/00 , Y10T74/19623
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