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经营范围
发明名称
FILTER FOR WELLS
摘要
申请公布号
SU1153024(A1)
申请公布日期
1985.04.30
申请号
SU19833566027
申请日期
1983.03.18
申请人
BRUSS GEOLOGOPOISKOVAYA EKSPEDITSIYA U GEOLOGII BSSR
发明人
ESHIMOV GEORGIJ K,SU;MARTYNENKO YURIJ N,SU
分类号
E03B3/18;E21B43/08;(IPC1-7):E03B3/18
主分类号
E03B3/18
代理机构
代理人
主权项
地址
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