ЛОПАСТНОЕ ДОЛОТО ДЛЯ БУРЕНИЯ ПЕРЕМЕЖАЮЩИХСЯ ПО КРЕПОСТИ ГОРНЫХ ПОРОД,申请号RU20060138881-传众专利搜索

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发明名称	ЛОПАСТНОЕ ДОЛОТО ДЛЯ БУРЕНИЯ ПЕРЕМЕЖАЮЩИХСЯ ПО КРЕПОСТИ ГОРНЫХ ПОРОД
摘要
申请公布号	RU2315850(C1)	申请公布日期	2008.01.27
申请号	RU20060138881	申请日期	2006.11.07
申请人		发明人
分类号	E21B10/42	主分类号	E21B10/42
代理机构		代理人
主权项
地址

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