Improvements in and relating to apparatus for indicating the inclination of bore holes and the like,申请号GB19340000167-传众专利搜索

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发明名称	Improvements in and relating to apparatus for indicating the inclination of bore holes and the like
摘要
申请公布号	GB411775(A)	申请公布日期	1934.06.14
申请号	GB19340000167	申请日期	1934.01.02
申请人	WILLY PAAR	发明人
分类号	E21B47/022	主分类号	E21B47/022
代理机构		代理人
主权项
地址

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