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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 32471-2016 |
Plastics—Determination of the isomer ratio in toluene diisocyanates for use in the production of polyurethanes 塑料 用于聚氨酯生产的甲苯二异氰酸酯异构比的测定 |
China National Standards Plastics—Determination the isomer |
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