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1.发明授权Monitoring positive crankcase ventilating systems in internal combustion engines 失效监控内燃机中的积极起重机通风系统
公开(公告)号：US3540407A
公开(公告)日：1970-11-17
申请号：US3540407D
申请日：1969-01-09
Applicant: FRAM CORP
Inventor： MCGONAGLE FRANCIS L , FULFORD EARLE H
CPC classification number: F01M13/02
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