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公开(公告)号：US2123433A
公开(公告)日：1938-07-12
申请号：US70158033
申请日：1933-12-09
Applicant: CATERPILLAR TRACTOR CO
Inventor： MAYO ROY E , JACKSON EDWARD W
IPC: F02D1/00
CPC classification number: F02D1/00 , F02D2700/0292
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