API ve ASTM nedir?
API: American Petroleum Institute – Amerikan Petrol Enstitüsü
ASTM: American Society for Testing Materials – Amerikan Malzeme Test Birliği
by Dr. Abdullah DEMİR · Published · Updated
API: American Petroleum Institute – Amerikan Petrol Enstitüsü
ASTM: American Society for Testing Materials – Amerikan Malzeme Test Birliği
by Abdullah Çalışır · Published 30 Ekim 2010 · Last modified 20 Haziran 2015
by Abdullah Çalışır · Published 5 Mart 2011 · Last modified 20 Haziran 2015
by Dr. Abdullah DEMİR · Published 9 Temmuz 2010
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