Product of geographical indication -- Fangzheng rice

Standard published on 31.12.2005

Conduit systems for cable management—Part 1: General requirements

Standard published on 15.5.2015

Conduit systems for cable management—Part 21: Particular requirement for rigid conduit systems

Standard published on 31.7.2017

Conduit systems for cable management - Part 22: Particular requirement - Pliable conduit systems

Standard published on 6.5.2009

Conduit systems for cable management - Part 23: Particular requirement - Flexible conduit systems

Standard published on 6.5.2009

Conduit systems for cable management - Part 24: Particular requirement - Conduit systems buried underground

Standard published on 6.5.2009

Conduit systems for cable management— Part 25: Particular requirements for conduit fixing devices

Standard published on 24.2.2016

Proton exchange membrane fuel cell—Part 1: Terminology

Standard published on 12.5.2017

Proton exchange membrane fuel cell—Part 2:Ganeral technical spcecification of fuel cell stacks

Standard published on 17.3.2023

Proton exchange membrane fuel cell—Part 3: Test method for proton exchange membrane

Standard published on 9.3.2022