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发明名称
APPARATUS FOR CLEANING DRILLING MUD
摘要
申请公布号
SU1361298(A1)
申请公布日期
1987.12.23
申请号
SU19853971276
申请日期
1985.11.01
申请人
VNI PK I PO PROBLEMAM OSVOENIYA NEFTYANYKH GAZOVYKH RESURSOV KONTINENTALNOGO SHELFA "VNIPIMORNEFTEGAZ"
发明人
MAKSUTOV RAFKHAT A,SU;SINITSYN ANDREJ A,SU;YUNIK LEV I,SU
分类号
E21B21/06;(IPC1-7):E21B21/06
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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