APPARATUS FOR CLEANING DRILLING MUD,申请号SU19853837393-传众专利搜索

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发明名称	APPARATUS FOR CLEANING DRILLING MUD
摘要
申请公布号	SU1247509(A1)	申请公布日期	1986.07.30
申请号	SU19853837393	申请日期	1985.01.07
申请人	UK NII PRIRODNYKH GAZOV	发明人	MROCHKO NIKOLAJ A,SU;DAVYDENKO ALEKSANDR M,SU
分类号	E21B21/06	主分类号	E21B21/06
代理机构		代理人
主权项
地址

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