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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41760-2022 |
Test method for spontaneous polarization performance of tourmaline {译} 电气石自发极化性能测试方法 |
China National Standards Test method spontaneous |
 English PDF |
| GB/T 21611-2008 |
Dangerous goods - Test method of spontaneous combustion for flammable solids 危险品 易燃固体自燃试验方法 |
China National Standards Test method spontaneous |
English PDF |
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