УСТРОЙСТВО ДЛЯ ЦЕМЕНТИРОВАНИЯ ДОПОЛНИТЕЛЬНОЙ ОБСАДНОЙ КОЛОННЫ,申请号RU20030131466U-传众专利搜索

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发明名称	УСТРОЙСТВО ДЛЯ ЦЕМЕНТИРОВАНИЯ ДОПОЛНИТЕЛЬНОЙ ОБСАДНОЙ КОЛОННЫ
摘要
申请公布号	RU35822(U1)	申请公布日期	2004.02.10
申请号	RU20030131466U	申请日期	2003.10.28
申请人		发明人
分类号	E21B33/14	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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