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GB/T 3490-1983 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 3490-1983EnglishRFQ ASK 3 days [Need to translate] Metallographic determination of cuprous oxide in copper containing precious metal materials Obsolete GB/T 3490-1983

Standard similar to GB/T 3490-1983

GB/T 51033   GB/T 50856   GB/T 50082   

Basic data

Standard ID GB/T 3490-1983 (GB/T3490-1983)
Description (Translated English) Metallographic determination of cuprous oxide in copper containing precious metal materials
Sector / Industry National Standard (Recommended)
Date of Issue 2/21/1983