GENEVA, March 30 -- ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD (No. 6 Xinghuo Road, Science City,Fengtai District, Beijing 100070), 中钞特种防伪科技有限公司 (中国北京市丰台区科学城星火路6号), CHINA BANKNOTE PRINTING AND MINTING CORP. (Jia 143, Xizhimenwai Street,Xicheng District, Beijing 100044), 中国印钞造币集团有限公司 (中国北京市西城区西直门外大街甲143号凯旋大厦) filed a patent applicat...
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