EN ISO 17781:2017現行
Petroleum, Petrochemical And Natural Gas Industries - Test Methods For Quality Control Of Microstructure Of Ferritic/Austenitic (Duplex) Stainless Steels (Iso 17781:2017)
出版：Comite Europeen de Normalisation
專家解讀視頻
2017 [01/08/2017]
NEN EN ISO 17781:2017 - Identical
DS EN ISO 17781:2017 - Identical
I.S. EN ISO 17781:2017 - Identical
BS EN ISO 17781:2017 - Identical
PN EN ISO 17781:2017 - Identical
NS EN ISO 17781:2017 - Identical
DIN EN ISO 17781 (2017-11) - Identical
