Withdrawn

YD/T 638.4-1993Postal equipment type designation (English PDF)

邮政设备型号命名方法

YD/T 638.4 | Evolution and historical versions

Std ID	Title	Status
YD/T 638.4-1993	Postal equipment type designation	Obsolete

YD/T 638.4-1993 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Ministry of Posts and Telecommunications

Level / Type

National · Recommended

Issue date

August 17, 1993

Implementation date

February 1, 1994

Scope

YD/T 638.4-1993 is the English-translated version of 邮政设备型号命名方法.

YD/T 638.4-1993 is the Chinese industry standard "Postal equipment type designation". It was issued on August 17, 1993 by the Ministry of Posts and Telecommunications, and took effect on February 1, 1994. It is obsolete: it has been withdrawn.

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Document preview — YD/T 638.4-1993

National Standard of the People's Republic of China

Issued by: Ministry of Posts and Telecommunications

Document data

1 Document data

Sector: Telecom (industry standard).

Issuing body: Ministry of Posts and Telecommunications.

Date of issue: 1993-08-17.

Date of implementation: 1994-02-01.

Status: obsolete, withdrawn.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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