upc码(商品条码),code39码(可表示数字和字母,在管理领域应用最广)
代打印upc-12 ean-13条形码标签纸code128b code39 itf14 ucc条码
p>upc是指uniform plumbing code,统一 a target="_blank" href="
经管营销 企业管理 barcode 条形码简介ppt 关于一维,如ean, upc
upc码(uniform product code)作为美,加产品统一的标识符号. 申请
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