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The bar code is the product unique thing, is cannot replace or the change thing only. May also say that is the product ID card. Therefore symbolizes the thing which because of the bar code the inventor invents not to be able the random copy, and underlines the wisdom property rights the importance.
Vanung University
Lujhu Township, Taoyuan County, Taiwan
Vanung University
Lujhu Township, Taoyuan County, Taiwan