$10
The specification for limit on harmful element content of the heavy metal concentrates products
全国有色金属标准化技术委员会
本标准规定了重金属精矿产品中所含有害元素的限量及检测方法。
本标准适用于重金属精矿产品
This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address