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| GB/T 28491-2012 Button general technical requirements and testing methods—Natural shell button (English Version) |
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Detail of GB/T 28491-2012
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Introduction of GB/T 28491-2012
本标准规定了天然贝壳钮扣(以下简称钮扣)的产品分类、技术要求、试验方法、检验规则、标志、包装、运输及贮存。
本标准适用于以天然贝壳为原材料,在特定设备和工艺条件下进行加工制成的钮扣。
Contents of GB/T 28491-2012