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经营范围
发明名称
ELEVATOR FOR TUBING PIPES
摘要
申请公布号
RU2238390(C2)
申请公布日期
2004.10.20
申请号
RU20020126369
申请日期
2002.10.02
申请人
发明人
GAZIZOV R I;SHARAFUTDINOV G S
分类号
E21B19/06
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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