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公开(公告)号：US3131455A
公开(公告)日：1964-05-05
申请号：US1334460
申请日：1960-03-07
Applicant: AUTOMATION DEVICES INC
Inventor： TARZIAN GEORGE M
CPC classification number: B23Q39/042 , B23P21/006 , Y10T29/513 , Y10T74/1441 , Y10T74/1608
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