FILTER FOR WELL LIQUID AND GAS,申请号SU19772548077-传众专利搜索

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发明名称	FILTER FOR WELL LIQUID AND GAS
摘要
申请公布号	SU763582(A1)	申请公布日期	1980.09.15
申请号	SU19772548077	申请日期	1977.11.23
申请人	PERMSKIJ G UNIV IM.A.M.GORKOGO	发明人	ARKHIDYAKONSKIKH YURIJ V,SU
分类号	E21B43/08;(IPC1-7):E21B43/08	主分类号	E21B43/08
代理机构		代理人
主权项
地址

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