Standard Number: GB 11887-2012
Title: Jewellery - Fineness of precious metal alloys and designation
Language: Simplified Chinese
Replacing Standard: GB 11887-2008
Publication Date: 2012/11/5
Execute Date: 2013/5/1
Publisher: Chinese Standards(GB)
Number of Pages:
Description:This standard specifies the purity of precious metals in jewelry range 1), mark, measuring method and precious metal jewelry naming method.
this standard applies to jewelry industry and domestic production and sales of precious metal jewelry. Precious metals furnishing articles refer to perform.
: PDF(Acrobat Reader) or Word version doc
Tile in English: Jewellery - Fineness of precious metal alloys and designation