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HG 21597-1999

HG 21597-1999_English: PDF (HG21597-1999)
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HG 21597-1999English239 Add to Cart 2 days (Rotary arch steel manhole cover open soon) HG 21597-1999 Obsolete HG 21597-1999

Standard ID HG 21597-1999 (HG21597-1999)
Description (Translated English) (Rotary arch steel manhole cover open soon)
Sector / Industry Chemical Industry Industry Standard
Classification of Chinese Standard G91
Classification of International Standard 71.12
Word Count Estimation 6,662
Date of Issue 1999/12/10
Date of Implementation 2000/4/1
Older Standard (superseded by this standard) HGJ 506-1986
Quoted Standard GB 91; GB 880; HG 21594
Regulation (derived from) Industry-Science (2010) No. 77; Ministry of Industry and Information Technology Notice No. 47 of 2014
Summary This standard specifies the rotation arch steel manhole cover quick opening of the type, the basic parameters, size, technical requirements and regulations on the use.