
Petroleum, Petrochemical And Natural Gas Industries - Test Methods For Quality Control Of Microstructure Of Ferritic/Austenitic (Duplex) Stainless Steels (Iso 17781:2017)
出版:Norwegian Standards (Norges Standardiseringsforbund)

專家解讀視頻
2017 [01/11/2017]
EN ISO 17781:2017 - Identical
EN ISO 17781 : 2017 - Identical
ISO 17781 : 2017-07 - Identical