Piston grooving attachment,申请号US19610088748-传众专利搜索

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发明名称	Piston grooving attachment
摘要
申请公布号	US3032334(A)	申请公布日期	1962.05.01
申请号	US19610088748	申请日期	1961.02.13
申请人	GRAMS HAROLD E	发明人	GRAMS HAROLD E.
分类号	B25B27/00;B25B27/12	主分类号	B25B27/00
代理机构		代理人
主权项
地址

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