ObsoleteGo to latest versionJB/T 8306.1-1995

GB 9821.1-1988Gear for timing instrument. Basic terms, definitions and symbols (English PDF)

计时仪器用齿轮基本术语、定义及代号

GB 9821.1 | Evolution and historical versions

Std ID	Title	Status
JB/T 8306.1-1995		Valid
GB 9821.1-1988	Gear for timing instrument. Basic terms, definitions and symbols	Obsolete

GB 9821.1-1988 is obsolete. It has been replaced by JB/T 8306.1-1995. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Mandatory

Scope

GB 9821.1-1988 is the English-translated version of 计时仪器用齿轮基本术语、定义及代号.

GB 9821.1-1988 is the Chinese national standard "Gear for timing instrument. Basic terms, definitions and symbols". It is obsolete: it has been replaced by JB/T 8306.1-1995.

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Document preview — GB 9821.1-1988

Document data

1 Document data

Sector: National standard (Mandatory).

Status: obsolete, replaced by JB/T 8306.1-1995.

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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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