GB/T 18303-2001

Color grading of polished diamond by visual matching

STANDARD published on 21.1.2001

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GB/T 18303-2001
Note: WITHDRAWN
Publication date standards: 21.1.2001
Country: Chinese technical standard
Category: Technical standards GB