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发明名称
DRAW HEAD WITH MUDDING MECHANISM
摘要
申请公布号
RU2097521(C1)
申请公布日期
1997.11.27
申请号
RU19930026877
申请日期
1993.05.12
申请人
NAUCHNO-PROIZVODSTVENNO-KOMMERCHESKOE CHASTNOE PREDPRIYATIE "EKANA"
发明人
GORGOTS VLADIMIR D;NEMOLODYSHEV ANATOLIJ V;KUZNETSOV YURIJ S;SIMISINOV IVAN L
分类号
E21B10/18;(IPC1-7):E21B10/18
主分类号
E21B10/18
代理机构
代理人
主权项
地址
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