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发明名称
УСТРОЙСТВО ДЛЯ ЗАКРЫТИЯ КЛАПАНОВ ГЛУБИННОГО ПРОБООТБОРНИКА
摘要
申请公布号
RU36438(U1)
申请公布日期
2004.03.10
申请号
RU20030120175U
申请日期
2003.07.03
申请人
发明人
分类号
E21B49/08
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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