نسخة تجريبية

Granted Patents According to their Scientific Field

Granted Patents by Scientific Field till 4/7/2020

Number of Granted PatentsScientific Field
1291Pharmaceutical and Biotechnology
2945Chemistry
2381Chemical Engineering
2561Mechanical and Electrical Engineering
2169Pertoleum and Natural Gas Engineering
11347Total

جميع الحقوق محفوظة