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公开(公告)号：US3424040A
公开(公告)日：1969-01-28
申请号：US3424040D
申请日：1966-09-22
Applicant: WARNER SWASEY CO
Inventor： VETSCH RUDOLF AUGUST
CPC classification number: B23Q16/10 , Y10T29/5154 , Y10T82/2531 , Y10T408/37
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