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发明名称
DEEP-WELL FILTER
摘要
申请公布号
SU1288285(A1)
申请公布日期
1987.02.07
申请号
SU19853977243
申请日期
1985.09.09
申请人
VNI PK I PO OSUSHENIYU MESTOROZHDENIJ POLEZNYKH ISKOPAEMYKH,CüE|ôAóÓHÕM ×OPHÕM PA¬OTAM,PÔ¯HôÚHOö ×EOóO×ôô ô MAPKÛEö¯EPCKOMÔ ¯EóÔ
发明人
VOLKOV YURIJ I,SU;PONOMARENKO YURIJ V,SU;YUDIN ALEKSANDR G,SU;SKIDANOV ALEKSANDR T,SU
分类号
E21B43/08
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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