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公开(公告)号：US2977778A
公开(公告)日：1961-04-04
申请号：US84544459
申请日：1959-10-09
Applicant: CATERPILLAR TRACTOR CO
Inventor： BACKLUND ROBERT R B , BAILEY JOHN M , ALEXANDER GOLOFF , DOWDALL DONALD C , KILEY HARRY M
IPC: F02D1/16
CPC classification number: F02D1/162
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