Chinese Standards Shop Partner of Google-Books Database: 169760 (Sep 14, 2019)

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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	Related Standard
DL 438-1991	English	479	ASK	Days<=4	Technical Supervision Codes for Metal in Thermal Power Plants	Obsolete	DL 438-1991

Detail Information of DL 438-1991; DL438-1991
Description (Translated English): (Thermal power metal technical supervision regulations)
Sector / Industry: Electricity & Power Industry Standard
Classification of Chinese Standard: P61
Word Count Estimation: 12,000
Date of Implementation: 1/5/1992
Older Standard (superseded by this standard): SD 107-1983
Regulation (derived from): State Energy Bureau Notice 2009 No. 1

Related standard:   DL/T 438-2016  DL/T 715-2015