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公开(公告)号：US3500898A
公开(公告)日：1970-03-17
申请号：US3500898D
申请日：1968-08-26
Applicant: BORG WARNER
Inventor： GERHART CARLTON M JR , JEDNACZ THOMAS C
CPC classification number: G05D23/24 , G05D23/1912
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