Information processing systems--Open systems interconnection--Internal organization of the network layer

Standard published on 7.12.1994

Information processing systems--Information exchange between systems--Synchronous transmission signal quality at DTE/DCE interfaces

Standard published on 7.12.1994

Information processing--Data encipherment--Physical layer interoperability requirements

Standard published on 7.12.1994

The specifications of automatic telephone set

Standard published on 18.7.2002

Technical requirements and test methods for fixed-line telephone sets
Execute Date: november 2026

Standard published on 30.4.2026

Codes for names of oil and gas fields of China

Standard published on 6.5.2009

Multi-rate electricity meters—Particular requirements

Standard published on 15.4.2022

General specification for terminals

Standard published on 6.12.1994

Complete filter units for radio interference suppression--Part 1:Generic specification

Standard published on 6.12.1994

Complete filter units for radio interference suppression--Part 2:Sectional specification--Selection of methods of test and general requirements

Standard published on 6.12.1994