China 'GB/T 20255.5-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20255.5-2006
Methods for chemical analysis of hardmetals - Determination of chromium content - Flame atomic absorption spectrometric method 硬质合金化学分析方法 铬量的测定 火焰原子吸收光谱法
Issued Date:2006-05-08
Implemented Date:2006-10-01
Issued by:
The Standardization Administration of the People's Republic of China