نسخة تجريبية

Granted Patents According to their Scientific Field

Granted Patents by Scientific Field till 3/6/2020

Number of Granted PatentsScientific Field
1273Pharmaceutical and Biotechnology
2921Chemistry
2343Chemical Engineering
2539Mechanical and Electrical Engineering
2137Pertoleum and Natural Gas Engineering
11213Total

جميع الحقوق محفوظة