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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 36144-2018 |
Limit on element content of lead,arsenic,cadmium,mercury,fluorine and chlorine in iron ore 铁矿石中铅、砷、镉、汞、氟和氯含量的限量 |
China National Standards Limit element content |
 English PDF |
| GB 8771-2007 |
Maximum limits for soluble elements content of pencil coating 铅笔涂层中可溶性元素最大限量 |
China National Standards Limit element content |
English PDF |
| GB 20424-2006 |
The specification for limit on harmful element content of the heavy metal concentrates products 重金属精矿产品中有害元素的限量规范 |
China National Standards Limit element content |
English PDF |
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