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www.ChineseStandard.net Database: 189759 (19 Oct 2025)

YD 249-1997 English PDF

YD 249: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD 249-1997EnglishRFQ ASK 3 days [Need to translate] (Nail bar on B species) Obsolete YD 249-1997
YD 249-1981EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete YD 249-1981

Standard similar to YD 249-1997

YD/T 4045   YD/T 4046   YD/T 4044   

Basic data

Standard ID YD 249-1997 (YD249-1997)
Description (Translated English) (Nail bar on B species)
Sector / Industry Telecommunication Industry Standard
Date of Issue 1/1/1997
Older Standard (superseded by this standard) YD 249-1981