Making yourself believe a false proof is bad for your brain.
让你自己相信错误的证明对你的脑袋有害。
Packaging false proof technology is surveyed in the aspect of paper, techniques and printing ink.
主要从防伪纸张、防伪技术、防伪油墨三方面对包装防伪作了概述。
This invention improves the precision of the watermark bar code on the false proof paper, which makes the width of each watermark bar code equal, and the portable coding information is exact;
提高了防伪纸张上设置的水 印条码的精度,使各水印条码宽窄一致,携带的编码信息准确;
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