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HG 21597-1999
HG 21597-1999_English: PDF (HG21597-1999)
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HG 21597-1999
English
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(Rotary arch steel manhole cover open soon)
HG 21597-1999
Obsolete
HG 21597-1999
BASIC DATA
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Older Standard (superseded by this standard)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.