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HG 20630-1997
Chinese Standard: 'HG 20630-1997'
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HG 20630-1997
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(Metal-coated steel pipe flanges with gaskets (American System))
Obsolete
HG 20630-1997
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Detail Information of 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: 31,000
Date of Issue: 27/11/1997
Date of Implementation: 1/2/1998
Older Standard (superseded by this standard): HGJ 44��76-1991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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