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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 24583.5-2019 |
：Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method 钒氮合金 磷含量的测定 铋磷钼蓝分光光度法 |
China National Standards ：Vanadium nitrogen—Determination phosphorus |
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