Erweiterungsrollenmeissel,申请号DE1960K040137-传众专利搜索

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发明名称	Erweiterungsrollenmeissel
摘要
申请公布号	DE1191769(B)	申请公布日期	1965.04.29
申请号	DE1960K040137	申请日期	1960.03.11
申请人	ARCHER WILLIAM KAMMERER	发明人	KAMMERER ARCHER WILLIAM
分类号	E21B10/34;E21B10/66	主分类号	E21B10/34
代理机构		代理人
主权项
地址

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