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HG 20630-1997

Chinese Standard: 'HG 20630-1997'

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	Related Standard
HG 20630-1997	English	1239	Add to Cart	Days<=9	(Metal-coated steel pipe flanges with gaskets (American System))	Obsolete	HG 20630-1997

BASIC DATA
Standard ID	HG 20630-1997 (HG20630-1997)
Description (Translated English)	(Metal-coated steel pipe flanges with gaskets (American System))
Sector / Industry	Chemical Industry Industry Standard
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	31,315
Date of Issue	1997/11/27
Date of Implementation	1998/2/1
Older Standard (superseded by this standard)	HGJ 44��76-1991
Adopted Standard	ISO 7483-1991, NEQ
Regulation (derived from)	Chemical Industry National Standard, Industry Standard and the International Standard Catalog 2006; Industry-Science [2009] No. 27

Related standard: HG/T 20630-2009 HG/T 20623-2009

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