Withdrawn

GB/T 1920-1980Standard atmosphere (below 30 kilometers) (English PDF)

标准大气（30公里以下部分）

GB/T 1920 | Evolution and historical versions

Std ID	Title	Status
GB/T 1920-1980	Standard atmosphere (below 30 kilometers)	Obsolete

GB/T 1920-1980 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

National Bureau of Standards

Level / Type

National · Recommended

Issue date

April 1, 1980

Implementation date

May 1, 1980

Scope

GB/T 1920-1980 is the English-translated version of 标准大气（30公里以下部分）.

GB/T 1920-1980 is the Chinese national standard "Standard atmosphere (below 30 kilometers)". It was issued on April 1, 1980 by the National Bureau of Standards, and took effect on May 1, 1980. It is obsolete: it has been withdrawn.

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Document preview — GB/T 1920-1980

National Standard of the People's Republic of China

Issued by: National Bureau of Standards

Document data

1 Document data

Sector: National standard (Recommended).

Issuing body: National Bureau of Standards.

Date of issue: 1980-04-01.

Date of implementation: 1980-05-01.

Status: obsolete, withdrawn.

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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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