METHOD FOR SCREENING OF DRILLING MUD,申请号SU19904869250-传众专利搜索

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发明名称	METHOD FOR SCREENING OF DRILLING MUD
摘要
申请公布号	RU2009307(C1)	申请公布日期	1994.03.15
申请号	SU19904869250	申请日期	1990.09.25
申请人	GOSUDARSTVENNOE PREDPRIYATIE "ARKHANGELSKGEOLOGIYA"	发明人	DOBROSMYSLOV VASILIJ G;STEPANOV ALEKSANDR N
分类号	E21B21/06;(IPC1-7):E21B21/06	主分类号	E21B21/06
代理机构		代理人
主权项
地址

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