|
首饰 贵金属含量的无损检测 密度综合法
Jewellery-Nondestructive quantitative determination of precious metal-Consistency syntheses method
参考页数:10P.;A4
|
|
|
|
|
|
贵金属首饰工艺质量评价规范
Evaluation Specifications of Precious Metal Jewelry Technological
参考页数:11P.;A4
|
|
|
|
|
|
贵金属覆盖层饰品 电镀通用技术条件
Precious metal alloy coatings jewellery.General technical requirements of plating
参考页数:6P.;A4
|
|
|
|
|
|
贵金属覆盖层饰品 装配通用技术条件
Precious metal alloy coatings jewellery.General technical requirements of assembly
参考页数:5P.;A4
|
|
|
|
|
|
贵金属覆盖层饰品 铸造通用技术条件
Precious metal alloy coatings jewellery.General technical requirements of casting
参考页数:5P.;A4
|
|
|
|
|
|
铜锡合金覆盖层饰品
Jewellery with Cu-Sn alloy coating
参考页数:6P.;A4
|
|
|
|
|
|
观赏石(摆件) 命名及鉴定
View stone ornaments.Designation and Identification
参考页数:8P.;A4
|
|
|
|
|
|
鸡血石制品 分级
Products of Chicken-blood stones.Grading
参考页数:9P.;A4
|
|
|
|
|
|
绿松石 分级
Turquoise.Grading
参考页数:18P.;A4
|
|
|
|
|
|
|