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nowhere to go, to prevent counterfeit products from entering the market, and create a good market order and safeguard the legitimate interests of businesses and consumers. The following method Code Section small series of bags at security. Woven security, previously used one-dimensional bar codes, two-dimensional code area need to be identified due to fewer, but more information is stored and other advantages, the use of two-dimensional codes currently more popular as the security code. Identifying two-dimensional code on the security bag, the needs of each two-dimensional code information

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