Маятниковый аппарат для определения кривизны буровых скважин,申请号SU19300067989-传众专利搜索

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发明名称	Маятниковый аппарат для определения кривизны буровых скважин
摘要
申请公布号	SU24365(A1)	申请公布日期	1931.12.31
申请号	SU19300067989	申请日期	1930.04.09
申请人	AFANASEV N.I.	发明人	AFANASEV N.I.
分类号	E21B47/022;G01B7/30	主分类号	E21B47/022
代理机构		代理人
主权项
地址

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