友邦联合红外多重数码防伪技术

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China National Invention Patent Number： ZL 001134043
　　　　　　　　　　　　　　　　　　　　ZL 200310110415.6
　　　　　　　　　　　　　　　　　　　　ZL 200310110443.8
　　　　　　　　　　　　　　　　　　　　ZL 200310110416.0

China National Invention Patent: Energy Upconversion Functional Pigment and the Anti-counterfeit Mark Pigment Produced From The Foregoing

China National Invention Patent with 20 years of patent protection.

China National Invention Patent:
A Effective Cipher-Bearing Multi-Color-Ratio Anti-counterfeit Luminescent Pigment and Its Preparation and Application