Автоматический регулятор скорости вращения турбобура,申请号SU19600658764-传众专利搜索

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发明名称	Автоматический регулятор скорости вращения турбобура
摘要
申请公布号	SU139634(A1)	申请公布日期	1960.11.30
申请号	SU19600658764	申请日期	1960.03.15
申请人		发明人	KOTLYAR O.M.;ESKIN M.G.
分类号	E21B4/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

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