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EspañolThe history of kraft paper bags.
As early as the 19th century, when the large-scale retail industry had not yet been born, people usually purchased all their daily necessiti...
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As early as the 19th century, when the large-scale retail industry had not yet been born, people usually purchased all their daily necessiti...
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PE plastic bag is a high molecular organic compound formed by addition polymerization of ethylene. The chemical name of PE is linear polyeth...
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