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发明名称
ARRANGEMENT FOR ISOLATING FLUSHING FLUID ABSORPTION ZONES
摘要
申请公布号
SU1544950(A1)
申请公布日期
1990.02.23
申请号
SU19874335543
申请日期
1987.11.30
申请人
VNII BUROVOJ TEKHNIKI
发明人
KUROCHKIN BORIS M,SU;MASICH VLADIMIR I,SU;OREKHVA IVAN V,SU;FARRAKHOV NAIL V,SU;SHAKHMAEV ZUFAR M,SU
分类号
E21B33/13
主分类号
E21B33/13
代理机构
代理人
主权项
地址
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