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HK-40131899-A - SECURITY FEATURE, PRINTING INK, DOCUMENT OF VALUE, AND AUTHENTICITY CHECKING METHOD

HK40131899AHK 40131899 AHK40131899 AHK 40131899AHK-40131899-A

Inventors

  • KECHT, Dr. Johann

Assignees

  • 捷德货币技术有限责任公司

Dates

Publication Date
20260508
Application Date
20260305
Priority Date
20230721