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