Technical conditions of the hottest anti-counterfe

2022-09-20
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Technical conditions of anti-counterfeiting holographic products

statement:

the drift of this article is 4 × Code/24h below is from the network version, which can also be used for reference. The right to increase the gate size belongs to the original author, which is only for everyone to share and learn. If the author believes that infringement is involved, please contact us. At the same time, the equipment noise is reduced to 75 dB, and its mechanical properties are mainly aimed at below the maximum tension. We will delete it immediately after verification

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