Прибор для измерения кривизны буровых скважин и получения ориентированного керна,申请号SU19470352772-传众专利搜索

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发明名称	Прибор для измерения кривизны буровых скважин и получения ориентированного керна
摘要
申请公布号	SU70680(A1)	申请公布日期	1947.11.30
申请号	SU19470352772	申请日期	1947.01.09
申请人	YANULIS S.D.	发明人	YANULIS S.D.
分类号	E21B47/022;E21B25/16	主分类号	E21B47/022
代理机构		代理人
主权项
地址

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