JJG 722-1991Verification Regulation of Standard Digital Clock (English PDF)
标准数字时钟检定规程
JJG 722 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| JJG 722-2018 | Standard Digital Clocks | Valid |
| JJG 722-1991 | Verification Regulation of Standard Digital Clock | Obsolete |
JJG 722-1991 is obsolete. It has been replaced by JJG 722-2018. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Technical Supervision Bureau
Level / Type
National · Mandatory
Issue date
March 4, 1991
Implementation date
December 1, 1991
Scope
JJG 722-1991 is the English-translated version of 标准数字时钟检定规程.
JJG 722-1991 is the Chinese metrological standard "Verification Regulation of Standard Digital Clock". It was issued on March 4, 1991 by the State Technical Supervision Bureau, and took effect on December 1, 1991. It is obsolete: it has been replaced by JJG 722-2018.
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Document preview — JJG 722-1991
National Standard of the People's Republic of China
Issued by: State Technical Supervision Bureau
Contents
- Document data
1 Document data
Sector: Metrological Verification (metrological standard).
Issuing body: State Technical Supervision Bureau.
Date of issue: 1991-03-04.
Date of implementation: 1991-12-01.
Status: obsolete, replaced by JJG 722-2018.
......
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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JJG 722-1991
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