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 12 Temmuz 2010 · Last modified 17 Ocak 2016
by Dr. Abdullah DEMİR · Published 11 Nisan 2011 · Last modified 17 Ocak 2016
by Dr. Abdullah DEMİR · Published 7 Ağustos 2011 · Last modified 17 Ocak 2016
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