Турбобур,申请号SU19330127522-传众专利搜索

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法人/股东/高管

发明名称	Турбобур
摘要
申请公布号	SU37659(A1)	申请公布日期	1934.07.31
申请号	SU19330127522	申请日期	1933.04.20
申请人	LAVRESHKIN I.D.	发明人	LAVRESHKIN I.D.
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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