Petro China Co. Ltd Southwest Oil and Gas Field Exploration and Development Research Institute
Chine
| Quantité totale PI | 2 |
|---|---|
| Rang # Quantité totale PI | 720 352 |
| Note d'activité PI | 0/5.0 0 |
| Rang # Activité PI | 1 656 072 |
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| Dernier brevet | 2015 - Automatic measuring instrument a... | |||||||||||||||
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| Premier brevet | 2013 - Automatic measuring instrument a... | |||||||||||||||
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