gb28020
gb28020, Total:1 items.
The international standard classification for "gb28020" includes: Jewellery .
The Chinese standard classification for "gb28020" includes: Artistic handicrafts .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 28020-2011 Adornment—Determination of baneful elements—X-ray fluorescence spectrometric method
