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HG 20621-1997

Chinese Standard: 'HG 20621-1997'

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	Related Standard
HG 20621-1997	English	1279	Add to Cart	Days<=9	(Loose ring welded steel pipe flanges (American System))	Obsolete	HG 20621-1997

BASIC DATA
Standard ID	HG 20621-1997 (HG20621-1997)
Description (Translated English)	(Loose ring welded steel pipe flanges (American System))
Sector / Industry	Chemical Industry Industry Standard
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	32,386
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Older Standard (superseded by this standard)	HGJ 44��76-1991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 7005-1-1992, NEQ; ANSI B16.5-1988, NEQ
Regulation (derived from)	Industry-Science [2009] No. 27

Related standard: HG/T 20611-2009 HG/T 20612-2009
Related PDF sample: HG/T 20611-2009 HG/T 20612-2009

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