Paper-plastic-braided composite packaging boag for sodium sulphide belongs to an improvement of the structure of package for railway transportation.
硫化碱纸塑编复合包装袋，属于铁路运输包装结构的改进。
Paper-plastic-braided composite packaging boag for sodium sulphide belongs to an improvement of the structure of package for railway transportation.
硫化碱纸塑编复合包装袋，属于铁路运输包装结构的改进。
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