Measuring variables associated with the directional steering of boreholes 71591
钻孔定向导向相关变量的测量
Chinese
钻孔定向导向相关变量的测量
English
Measuring variables associated with the directional steering of boreholes
- Site ref.
- 71591
- Class
- 42
- Included in
- Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)