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SJ 20900-2004Specification for beryllia ceramic sleeves used in microwave electronic tubes (English PDF)

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Issued by

Ministry of Industry and Information Technology of PRC

Level / Type

National · Mandatory

Issue date

August 2, 2004

Implementation date

December 1, 2004

Scope

SJ 20900-2004 (Specification for beryllia ceramic sleeves used in microwave electronic tubes) is available as an English-translated PDF.

SJ 20900-2004 is the Chinese standard "Specification for beryllia ceramic sleeves used in microwave electronic tubes". This standard specifies the microwave electron tubes beryllium oxide ceramic porcelain cylinder requirements, quality assurance provisions, delivery and preparation.

This standard applies to microwave electron tubes beryllium oxide ceramic porcelain cylinders (hereinafter referred to as porcelain cylinders). Issued on 2004-08-02, in force from 2004-12-01.

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Document preview — SJ 20900-2004

National Standard of the People's Republic of China

ICS: 31.030
Classification: L90

Document data
Standards quoted by this standard

1 Document data

Sector: Electronics Industry Standard.

Date of issue: 2004-08-02.

Date of implementation: 2004-12-01.

Chinese Standard Classification: L90.

ICS: 31.030.

Length: about 10,186 characters in the Chinese original.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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