HOLE DRILLING RIG,申请号SU19874336824-传众专利搜索

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发明名称	HOLE DRILLING RIG
摘要
申请公布号	SU1698433(A1)	申请公布日期	1991.12.15
申请号	SU19874336824	申请日期	1987.10.26
申请人	KULYA YURIJ,SU;BELICHENKO YURIJ M,SU	发明人	KULYA YURIJ I,SU;BELICHENKO YURIJ M,SU
分类号	E21B15/00	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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