Means to reduce piston ring groove wear and minimize cylinder scuffing,申请号US19600014421-传众专利搜索

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发明名称	Means to reduce piston ring groove wear and minimize cylinder scuffing
摘要
申请公布号	US2982589(A)	申请公布日期	1961.05.02
申请号	US19600014421	申请日期	1960.03.11
申请人	CATERPILLAR TRACTOR CO.	发明人	JR. JOSEPH W. RICHARDSON,
分类号	F02F1/20;F16J9/22	主分类号	F02F1/20
代理机构		代理人
主权项
地址

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