نسخة تجريبية

Granted Patents According to their Scientific Field

Granted Patents by Scientific Field till 21/5/2019

Number of Granted PatentsScientific Field
1203Pharmaceutical and Biotechnology
2779Chemistry
2128Chemical Engineering
2365Mechanical and Electrical Engineering
2013Pertoleum and Natural Gas Engineering
10488Total

جميع الحقوق محفوظة