GB/T 7557-1987 Abolished National standards

GB/T 7557-1987 General characteristics complying with the network performance objectives for 300 channel carrier telephone systems on standardized 1.2/4.4mm coaxial cable pairs

Publish Date: 1987-03-26 Implement Date: 1987-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7557-1987

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: -

ICS Name: Data communication network

Publish Date: 1987-03-26

Implement Date: 1987-11-01

Publisher: National Standards Bureau

Technical Committee: The Telecommunications Transmission Research Institute of the Ministry of Posts and Telecommunications

Pages: 8 pages

Development Information

Drafting Persons:

Tang Shuxian

Word Count: 7 Thousand words Pages: 8 pages

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