Australian Trademark Classification
diamond head drilling of deep oil or gas wells 157661
金刚石钻头钻探深层油气井
Chinese
金刚石钻头钻探深层油气井
English
diamond head drilling of deep oil or gas wells
Spanish
Perforación con cabezal de diamante de pozos profundos de petróleo o gas.
- Site ref.
- 157661
- Class
- 37