METHOD OF MAKING PISTON RING,申请号USD3561087-传众专利搜索

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发明名称	METHOD OF MAKING PISTON RING
摘要
申请公布号	US3561087(A)	申请公布日期	1971.02.09
申请号	USD3561087	申请日期	1967.10.06
申请人	MAX KOEHLER	发明人	MAX KOEHLER
分类号	B22F3/11;B22F5/02;B23P15/06;F16J9/12;F16J9/26;(IPC1-7):B23P15/06	主分类号	B22F3/11
代理机构		代理人
主权项
地址

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