Download or read book GB 11887 2008 Translated English of Chinese Standard GB11887 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2014-10-28 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies fineness range 1) of noble metals in jewellery, mark for jewellery, test method and designation method for precious metal jewellery. This Standard is applicable to jewelleries produced and distributed in jewellery industry and at home (China).

Download or read book GB 11887 2012 Translated English of Chinese Standard GB11887 2012 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-03-06 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies fineness range 1) of noble metals in jewellery, mark for jewellery, test method and designation method for precious metal jewellery. This Standard is applicable to jewelleries produced and distributed in jewellery industry and at home (China).