نسخة تجريبية

Granted Patents According to their Scientific Field

Granted Patents by Scientific Field till 4/8/2020

Number of Granted PatentsScientific Field
1296Pharmaceutical and Biotechnology
2947Chemistry
2388Chemical Engineering
2565Mechanical and Electrical Engineering
2172Pertoleum and Natural Gas Engineering
11368Total

جميع الحقوق محفوظة