Additives (Chemical -) for use in the drilling of subterranean oil wells 963
地下油井钻井用化学添加剂
Chinese
地下油井钻井用化学添加剂
English
Additives (Chemical -) for use in the drilling of subterranean oil wells
- Site ref.
- 963
- Class
- 01
- Included in
- Harmonised Database (HDB)