Турбобур с радиальными или радиально-осевыми турбинными ступенями,申请号SU19500411956-传众专利搜索

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发明名称	Турбобур с радиальными или радиально-осевыми турбинными ступенями
摘要
申请公布号	SU86338(A1)	申请公布日期	1950.11.30
申请号	SU19500411956	申请日期	1950.02.06
申请人	SHLINDMAN V.M.	发明人	SHLINDMAN V.M.
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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