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DL 426-1991 English PDF

DL 426: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
DL 426-1991EnglishRFQ ASK 3 days [Need to translate] (SZH digital frequency relay inspection procedures) Obsolete DL 426-1991
DL/T 426-1991EnglishRFQ ASK 9 days [Need to translate] (SZH digital frequency relay inspection procedures) Obsolete DL/T 426-1991

PDF similar to DL 426-1991


Standard similar to DL 426-1991

GB/T 19826   DL/T 540   NB/T 31018   DL/T 624   DL/T 277   DL/T 364   

Basic data

Standard ID DL 426-1991 (DL426-1991)
Description (Translated English) (SZH digital frequency relay inspection procedures)
Sector / Industry Electricity & Power Industry Standard
Date of Issue 12/3/1991
Date of Implementation 4/1/1992