gb28021
gb28021, Total:1 items.
The international standard classification for "gb28021" includes: Jewellery .
The Chinese standard classification for "gb28021" includes: Artistic handicrafts .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 28021-2011 Adornment—Determination of baneful elements—Method of spectrometry
