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Standard Code | Standard Title | Standard Class | Order |
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GB/T 29493.6-2013 |
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 6: Determination of isocyanate groups in polyurethane prepolymers 纺织染整助剂中有害物质的测定 第6部分:聚氨酯预聚物中异氰酸酯基含量的测定 |
China National Standards prepolymers |
English PDF |
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