Standards GB - Chinese national standards - Page 5145

Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network including procedures for bling of echo control devices for both manually and automatically established calls

Standard published on 3.4.1987

2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits

Standard published on 3.4.1987

2400/1200 bits per second modem standardized for use in the general switched telephone network

Standard published on 3.4.1987

4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits

Standard published on 3.4.1987

Lubricantsindustrial oils and related products(class L) - Classification - Part 1:General

Standard published on 23.6.2008

Lubricants, industrial oils and related products (class L) - Classification - Part 10: Family T (Turbines)

Standard published on 27.11.2013

Lubricants,industrial oils and related products (class L)Classification—Part 11: Family G(Slideways)

Standard published on 19.2.2014

Lubricants,industrial oils and related prouducts (class L)-ClasificationPart 12: Family Q (Heat transfer fluids)

Standard published on 19.2.2014

Lubricantsindustrial oils and related products(class L) - Classification - Part 13: Family A(Total loss systems)

Standard published on 5.11.2012

Lubricants and related products(class L)--Classification--Part 14:Family U (Heat treatment)

Standard published on 20.8.1998