YD/T 1548.1-2007 Translated English of Chinese Standard. (YDT 1548.1-2007, YD/T1548.1-2007, YDT1548.1-2007)


Book Description

This specification defines the test method of basic function, service, RF, audio, environment, reliability, lifecycle and others for user equipment of 2GHz WCDMA digital cellular mobile communication network. This Standard is applicable to user equipment of 2GHz WCDMA digital cellular mobile telecommunication.




JB/T 6758.1-2007 Translated English of Chinese Standard. (JBT 6758.1-2007, JB/T6758.1-2007, JBT6758.1-2007)


Book Description

This part of JB/T 6758 specifies the type, product variety structure, technical requirements, acceptance rules and packaging marking of the continuously transposed conductors. This part shall be used in conjunction with the subsequent product standard parts of JB/T 6758.




GB/T 14985-2007 Translated English of Chinese Standard (GB/T 14985-2007, GBT14985-2007)


Book Description

This Standard specifies the dimensions, shape and allowable deviation, surface quality, testing methods, inspection rules, packaging, marks and quality certificates for expansion alloys. This Standard applies to expansion alloys with a certain average linear expansion coefficient within a certain temperature range.