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发明名称
DEVICE FOR SEALING ASSEMBLIES OF DOWNHOLE INSTRUMENTS
摘要
申请公布号
SU1283362(A1)
申请公布日期
1987.01.15
申请号
SU19853891955
申请日期
1985.05.05
申请人
VNI PK I GEOFIZICHESKIKH METODOV ISSLEDOVANIJ,ôCüÕTAHôù ô KOHTPOóù HE´TE×A³OPA³BE¯OÚHÕX CKBAÖôH
发明人
BELOKON DMITRIJ V,SU;GOFMAN MARK KH,SU;DEVYATOV ANATOLIJ F,SU;REZNIK PETR D,SU;KHIRMAN ZINAIDA V,SU;SHIRYAEV ANATOLIJ A,SU
分类号
E21B23/00;E21B47/01;E21B47/017
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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