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[求助] 关于卷材用封闭型异氰酸酯固化剂 |
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20普通分
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MITSUI 13666654912姚 欢迎交流
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合肥阿迪亚化工=封闭型异氰酸酯
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进口PU环保催化剂,道康宁助剂,王生133-10-891-591
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封闭型异氰酸酯
18502075708 |
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科周化学(上海)有限公司
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科周化学(上海)有限公司
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进口PU环保催化剂,道康宁助剂,王生133-10-891-591
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进口PU环保催化剂,道康宁助剂,王生133-10-891-591
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