Normen GB - Chinesische nationale Normen - Seite Nr. 5275

Codes for levels of language proficiency and foreign language test grades

Die Norm herausgegeben am 15.10.2009

Garden tools - General requirements

Die Norm herausgegeben am 30.12.2008

Chemical reagent - Glycerol

Die Norm herausgegeben am 12.5.2011

Classification, terminology and numbering for parts and assemblies of the time measuring instruments - Classification, terminology and numbering for parts and assemblies of mechanical wrist watch movements

Die Norm herausgegeben am 31.7.2008

Classification, terminology and numbering for parts and assemblies of the time measuring instruments—Mechanical wrist watch movements

Die Norm herausgegeben am 31.7.2008

Performance andtest methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s

Die Norm herausgegeben am 21.12.1995

Chemical reagent - Carbon tetrachloride

Die Norm herausgegeben am 12.5.2011

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms

Die Norm herausgegeben am 7.9.2023

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room

Die Norm herausgegeben am 1.11.2017

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for anechoic rooms and hemi-anechoic rooms

Die Norm herausgegeben am 24.2.2016