Tag Archives: two-dimensional

دعوة ثنائي صيغة الخيار دلتا A, Data Matrix two-dimensional bar formerly Datacode, by the United States International Data Company (International Data Matrix, referred to as the ID Matrix) was invented in 1989. Data-Matrix two-dimensional bar code is a two-dimensional matrix bar code. There are international standards. Two, PDF417 two-dimensional bar code is a two-dimensional stacked bar code, the most widely […]

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تصفح هذا الموقع I believe each of us has to go grocery shopping experience, if carefully point you will find that most of the packaging of goods will have a black and white, uneven thickness of the bar code. The supermarket industry products are relatively standard bar code, you do not need to store large amount of information, […]

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