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
by Dr. Abdullah DEMİR · Published 29 Temmuz 2011 · Last modified 17 Ocak 2016
by Dr. Abdullah DEMİR · Published 11 Kasım 2014 · Last modified 20 Ekim 2014
by Dr. Abdullah DEMİR · Published 5 Ağustos 2011 · Last modified 17 Ocak 2016
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