Standards GB - Chinese national standards - Page 4985

Test methods for properties of structure ceramic used in electronic components--Test method forvolume resistivity

Standard published on 27.11.1985

Test methods for properties of structure ceramics used in eletronic components and device—Part 6: Test method for chemical durability

Standard published on 15.5.2015

Test methods for properties of structure ceramic used in electronic components and device—Part 7: Test method for liquid permeability

Standard published on 15.5.2015

Test methods for properties of structure ceramic used in electronic components and device—Part 8: Test method for microstructure

Standard published on 15.5.2015

Ceramic dielectric materials used for capacitors

Standard published on 9.9.1996

Test method for complex permittivity of solid dielectric materials at microwave frequencies

Standard published on 19.5.1999

Test method for thermal conductivity of beryllium oxide ceramics

Standard published on 15.5.2015

Specification for dynamic performance assessment and testing verification of rolling stock

Standard published on 10.12.2019

Hexagon thick nuts

Standard published on 24.6.1988

General technical specification for railway freight car

Standard published on 7.6.2018