T∕GDSHJXH 005-2023 T_GAGP 002-2023 玛雅绿翡翠 分级VIP

ICS39.060CCSY88团体标准T/GDSHJXH005—2023T/GAGP002—2023玛雅绿翡翠分级MayagreenFeicui—Grading2023-12-30发布2023-12-31实施广东省黄金协会广东省珠宝玉石首饰行业协会发布标准下载标准下载T/GDSHJXH005—2023T/GAGP002—2023I目次前言.................................................................................II1范围..................................................