DEVICE FOR RETAINING DEEP-WELL EQUIPMENT IN PUMP PIPE STRING,申请号SU19802940529-传众专利搜索

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发明名称	DEVICE FOR RETAINING DEEP-WELL EQUIPMENT IN PUMP PIPE STRING
摘要
申请公布号	SU945364(A1)	申请公布日期	1982.07.23
申请号	SU19802940529	申请日期	1980.05.28
申请人	OSOBOE K BYURO PO PROEKTIROVANIYU NEFTEGAZODOBYVAYUSHCHIKH MASHIN OBORUDOVANIYA	发明人	AKULOV YURIJ V,SU;EFENDIEV MUSA A,SU
分类号	E21B23/02;(IPC1-7):E21B23/02	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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