GB/T 131-1993Mechanical drawings--Surface roughness symbols and methods of indicating (English PDF)
机械制图 表面粗糙度符号、代号及其注法
GB/T 131 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 131-2006 | Geometrical Product Specifications (GPS) - Indication of Surface texture in technical Product documentation | Valid |
| GB/T 131-1993 | Mechanical drawings--Surface roughness symbols and methods of indicating | Obsolete |
GB/T 131-1993 is obsolete. It has been replaced by GB/T 131-2006. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
November 9, 1993
Implementation date
July 1, 1994
Scope
GB/T 131-1993 is the English-translated version of 机械制图 表面粗糙度符号、代号及其注法.
GB/T 131-1993 is the Chinese national standard "Mechanical drawings--Surface roughness symbols and methods of indicating". It was issued on November 9, 1993 by the State Bureau of Technical Supervision, and took effect on July 1, 1994. It is obsolete: it has been replaced by GB/T 131-2006.
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Document preview — GB/T 131-1993
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1993-11-09.
Date of implementation: 1994-07-01.
Status: obsolete, replaced by GB/T 131-2006.
......
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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