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公开(公告)号：US3409842A
公开(公告)日：1968-11-05
申请号：US65044867
申请日：1967-06-30
Applicant: ELECTRONIC MACHINE CONTROL SAL
Inventor： HARRY EMBLING KENNETH , CAMERON LEBAR LEONARD
CPC classification number: H03B5/34 , F16P3/148 , Y10T307/766
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