CHINA BANKNOTE PRINTING AND MINTING CORP.
Beijing, CN
CHINA BANKNOTE PRINTING AND MINTING CORP. Patent applications | ||
Patent application number | Title | Published |
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20150210106 | OPTICAL ANTI-COUNTERFEITING ELEMENT, PRODUCT USING SAME AND PREPARATION METHOD THEREFOR - An optical anti-counterfeiting element comprises a base material ( | 07-30-2015 |