SCHNAPPMANSCHETTE FUER BOHRROHRE UND BOHRGESTAENGE,申请号DE19722214803-传众专利搜索

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发明名称	SCHNAPPMANSCHETTE FUER BOHRROHRE UND BOHRGESTAENGE
摘要
申请公布号	DE2214803(B2)	申请公布日期	1977.09.01
申请号	DE19722214803	申请日期	1972.03.25
申请人		发明人
分类号	E21B17/10;(IPC1-7):E21B17/10	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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