HG/T 20644-1998Variable spring supports (English PDF)
变力弹簧支吊架
HG/T 20644 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| HG/T 20644-2024 | Standard for selection of Spring Support and Hanger | Valid |
| HG/T 20644-1998 | Variable spring supports | Obsolete |
HG/T 20644-1998 is obsolete. It has been replaced by HG/T 20644-2024. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Development and Reform Commission
Level / Type
Industry · Recommended
Issue date
June 22, 1998
Implementation date
January 1, 1999
Scope
HG/T 20644-1998 is the English-translated version of 变力弹簧支吊架.
HG/T 20644-1998 is the Chinese industry standard "Variable spring supports". It was issued on June 22, 1998 by the National Development and Reform Commission, and took effect on January 1, 1999. It is obsolete: it has been replaced by HG/T 20644-2024.
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Document preview — HG/T 20644-1998
National Standard of the People's Republic of China
Issued by: National Development and Reform Commission
Contents
- Document data
1 Document data
Sector: Chemical Industry (industry standard).
Issuing body: National Development and Reform Commission.
Date of issue: 1998-06-22.
Date of implementation: 1999-01-01.
Status: obsolete, replaced by HG/T 20644-2024.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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HG/T 20644-1998
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