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合成革用聚氨酯树脂
Polyurethane resin for synthetic leather
价格:¥0.00
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太阳能热水器用聚氨酯硬泡组合聚醚
Blend polyol for rigid polyurethane cellular plastics used in solar water heaters
价格:¥0.00
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硬质泡沫塑料水蒸汽透过量试验方法
价格:¥0.00
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电渗析技术.异相离子交换膜
Electrodialysis technology.Heterogeneous ion exchange membrane
价格:¥0.00
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塑料注射模标准模架结构型式、命名、规格、尺寸系列
价格:¥0.00
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