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发明名称
FILTERING MATERIAL
摘要
申请公布号
SU972059(A1)
申请公布日期
1982.11.07
申请号
SU19813301421
申请日期
1981.03.11
申请人
VNII PRIRODNYKH GAZOV "VNIIGAZ"
发明人
OLIFIROV DMITRIJ N,SU;KORNILOV ANATOLIJ E,SU;TRUTKO VALERIJ P,SU
分类号
E21B43/08;B01D39/00;(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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