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1.发明授权Engine piston assembly and forged piston member therefor having a cooling recess 失效发动机活塞组件和具有冷却凹槽的锻造活塞件
公开(公告)号：USRE34139F1
公开(公告)日：2000-12-12
申请号：US76220391
申请日：1991-09-19
Applicant: CATERPILLAR INC
Inventor： COOPER BRUCE C , ERICKSON KENTON L , GREEN JAMES A , NYCZ DAVID S
CPC classification number: F02F3/22 , F02B3/06 , F02F3/0069 , F02F2003/0061 , F02F2200/04 , F05C2201/021 , F05C2201/0433 , F05C2201/0448 , F05C2251/042
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