GB/T 4728.9-1999 Replaced National standards

GB/T 4728.9-1999 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment

Publish Date: 1999-03-23 Implement Date: 1999-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4728.9-1999

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Comprehensive Electrical Engineering

Publish Date: 1999-03-23

Implement Date: 1999-10-01

Pages: 28 pages

Development Information

Word Count: 50 Thousand words Pages: 28 pages

Same series standard

GB/T 4728.4-1999 Graphical symbols for diagrams—Part 4:Basic passive components GB/T 4728.10-1999 Graphical symbols for diagrams—Part 10:Telecommunications:Transmission

Replace the following standards

GB/T 4728.9-1985

Superseded by the following standards

GB/T 4728.9-2008 Graphical symbols for diagrams—Part 9:Telecommunications:Switching and peripheral equipment

Adopt standards

IEC 60617-9:1996

Related Standards

GB/T 2681-1981 Abolished

GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 2682-1981 Abolished

GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 3926-1983 Replaced

GB/T 3926-1983 Rated voltage for medium frequency equipment

Publish Date: 1983-11-11

GB/T 4064-1983 Abolished

GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements

Publish Date: 1983-12-22

GB/T 4776-1984 Replaced

GB/T 4776-1984 Electrical safety terminology

Publish Date: 1984-11-30

GB/T 5080.4-1985 Active

GB/T 5080.4-1985 Equipment reliability testing—Procedure for point estimates and confidence intervals from reliability determination tests(Exponental distribution)

Publish Date: 1985-04-17