Method for forming cutter rings,申请号US19610152761-传众专利搜索

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发明名称	Method for forming cutter rings
摘要
申请公布号	US3157943(A)	申请公布日期	1964.11.24
申请号	US19610152761	申请日期	1961.11.16
申请人	THE WEATHERHEAD COMPANY	发明人	WURZBURGER PAUL D.
分类号	B21K1/16;B23P15/34	主分类号	B21K1/16
代理机构		代理人
主权项
地址

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