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工业明胶

 工业明胶用途有火柴头,多层胶合板,高级礼品盒,果冻胶,金属铅锌,印染还有砂纸砂布等 
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装订书本

}

印染

}

砂纸砂布

}

胶合板粘结

}

火柴头粘结

}

高档礼品盒

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