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GB 12231-1990 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 12231-1990EnglishRFQ ASK 3 days [Need to translate] Quality standard for steel castings for valve visual method Obsolete GB 12231-1990

Standard similar to GB 12231-1990

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

Basic data

Standard ID GB 12231-1990 (GB12231-1990)
Description (Translated English) Quality standard for steel castings for valve visual method
Sector / Industry National Standard
Date of Issue 1/4/1990