DB32/T 55-2000 黄金首饰含金量无损检验方法

DB32/T 55-2000 The Non-Destructive Testing Method for Gold Jewelry Content - Standard DB32/T 55-2000 (non-destructive testing method for gold jewelry content) is used for ensuring that gold jewelry has been tested accurately. Note: Please pay attention to read and comply with relevant laws and regulations of the local government to avoid potential safety and environmental hazards