Дизель-электрический привод буровой установки,申请号SU19540575462-传众专利搜索

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发明名称	Дизель-электрический привод буровой установки
摘要
申请公布号	SU111640(A1)	申请公布日期	1956.11.30
申请号	SU19540575462	申请日期	1954.04.15
申请人	SULKHANISHVILI I.N.	发明人	SULKHANISHVILI I.N.
分类号	E21B3/00	主分类号	E21B3/00
代理机构		代理人
主权项
地址

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