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 10 Eylül 2011 · Last modified 16 Ocak 2016
by Dr. Abdullah DEMİR · Published 25 Mayıs 2010 · Last modified 13 Ağustos 2012
by Dr. Abdullah DEMİR · Published 3 Ağustos 2011 · Last modified 17 Ocak 2016
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