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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 15072.4-2008 |
Test method of precious metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry 贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法 |
China National Standards Test method butane |
 English PDF |
| GB/T 20449-2006 |
Test method for butane work capacity of activated carbon 活性炭丁烷工作容量测试方法 |
China National Standards Test method butane |
English PDF |
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