品牌、gtin和mpn等唯一产品标识符用于在全球市场中定义产品。用唯一标识符标记您的产品可以让客户更容易找到您的产品。了解更多关于数据源文件的组织方式。
唯一产品标识符的类型
| gtin - 通用产品代码 (UPC) |
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使用：主要在北美 格式：12个数字 你需要知道的：
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| gtin - 欧洲商品编码（EAN） |
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使用：主要在北美以外地区 格式：13位数字，但也可以是8位或14位数字 你需要知道的：
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| gtin - 日本商品编号 (JAN) |
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使用：仅在日本 格式：8或13位数字 你需要知道的：
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| gtin - 国际标准书号（ISBN） |
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使用范围：全球 格式：
你需要知道的：1970年以来出版的商业图书的唯一数值，位于书的背面的条形码处。 |
| 品牌 |
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使用：全球 你需要知道的：产品的品牌。 |
| mpn - 制造商零件编号 (MPN) |
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使用：全球 格式：字母数字 你需要知道的：用于识别产品与其制造商的唯一编号。 |
需要哪些唯一的产品标识符，以及如何执行它们？
我们建议您为所有商品标记这三个属性，因为它们有助于在全球市场中定义您的产品。请查看下面的使用商品标识符的数据源政策。
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新产品：为具有GTIN的新产品提交以下三个属性：
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gtin由制造商分配
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brand
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mpn由制造商分配
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没有GTIN的产品：对于没有GTIN的产品，提交品牌和mpn。没有GTIN的产品的例子包括自有品牌产品，古董产品，替换零件，定制产品等。
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没有品牌的产品：只有当产品有明确的品牌或制造商相关联时，才提交brand属性。
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没有GTIN、品牌或mpn的产品：对于没有这三个标识符的产品，提交identifier_exists，并将值设置为FALSE。没有唯一标识符的产品的例子包括定制的手工产品、复古产品等。
解决GTIN问题
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