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发明名称
УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ ПАРАМЕТРОВ СПУСКО-ПОДЪЕМНЫХ ОПЕРАЦИЙ
摘要
申请公布号
RU23913(U1)
申请公布日期
2002.07.20
申请号
RU20020100373U
申请日期
2002.01.03
申请人
Зуев Валентин Никитович
发明人
Зуев В.Н.
分类号
E21B47/04
主分类号
E21B47/04
代理机构
代理人
主权项
地址
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