Number of Invention Patents Applications of Large and _Medium-sized Industrial Enterprises, Extraction of _Petroleum and Natural Gas
Series ID:
[NBS/A_A0N0B05/A0N0B0503]
Frequency: annual
Source
- Provider
- National Bureau of Statistics of China
- Dataset
- Number of Invention Patents Applications of Large and _Medium-sized Industrial Enterprises by Industrial _Sector
- Series
- Number of Invention Patents Applications of Large and _Medium-sized Industrial Enterprises, Extraction of _Petroleum and Natural Gas [NBS/A_A0N0B05/A0N0B0503]
Dimensions
- Frequency [freq]
- annual [A]
- Unit [unit]
- piece [piece]