Additives (Chemical -) for use in the drilling of subterranean gas wells 995
地下气井钻井用化学添加剂
Chinese
地下气井钻井用化学添加剂
English
Additives (Chemical -) for use in the drilling of subterranean gas wells
- Site ref.
- 995
- Class
- 01
- Included in
- Harmonised Database (HDB)