APPARATUS FOR FORMING EXPANSIONS IN A WELL,申请号SU19813374564-传众专利搜索

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发明名称	APPARATUS FOR FORMING EXPANSIONS IN A WELL
摘要
申请公布号	SU1043257(A2)	申请公布日期	1983.09.23
申请号	SU19813374564	申请日期	1981.11.19
申请人	CHEVERDINSKIJ YURIJ A,SU	发明人	CHEVERDINSKIJ YURIJ A,SU
分类号	E02D5/44;(IPC1-7):E02D5/44	主分类号	E02D5/44
代理机构		代理人
主权项
地址

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