Technology Stamp Thematic on WOPA+
Technology
| Serbia - USA - 100th anniversary of the birth of Douglas Engelbart |
| Issued: 02.07.2025 |
| ›Serbia |
| Franking Labels - The Beginnings of the Quantum Mechanics |
| Issued: 09.06.2025 |
| ›Portugal |
| AICEP - 35 Years of Coming Together |
| Issued: 22.05.2025 |
| ›Portugal |
| Technical Monuments - The Bratislava Propeller Ferry |
| Issued: 11.04.2025 |
| ›Slovakia |
| First Slovene Inventors with Patents |
| Issued: 28.03.2025 |
| ›Slovenia |
| Integration of the Baltic States into the European Electricity System |
| Issued: 07.03.2025 |
| ›Estonia |
| Synchronization of the Baltic Energy System with Europe |
| Issued: 07.03.2025 |
| ›Lithuania |
| 100 Years of the Spanish Cement Manufacturers' Association OFICEMEN |
| Issued: 16.02.2025 |
| ›Spain |
| 150 Year Anniversary of the Pneumatic Tube Network |
| Issued: 11.02.2025 |
| ›Austria |
| Thematic Set - Nikola Tesla |
| Issued: 01.01.2025 |
| ›Serbia |
| Authorization Of Radio Broadcasting |
| Issued: 05.11.2024 |
| ›Spain |
| 75 Years Since the Founding of Radio-television of Vojvodina |
| Issued: 05.11.2024 |
| ›Serbia |
| World Congress on Innovation & Technology |
| Issued: 08.10.2024 |
| ›Armenia |
| Research, Innovation, Technology |
| Issued: 05.10.2024 |
| ›Norway |
| History of the Oil Industry |
| Issued: 20.09.2024 |
| ›Azerbaijan |
| Caspian Sea Oil Rocks |
| Issued: 20.09.2024 |
| ›Azerbaijan |
| Caspian Sea Oil Platforms |
| Issued: 20.09.2024 |
| ›Azerbaijan |
| The History of Peel Engineering – 60th Anniversary |
| Issued: 23.07.2024 |
| ›Isle of Man |
| 100 Years Swiss Agricultural Technology |
| Issued: 02.05.2024 |
| ›Switzerland |
| 100 Years of Telefonica |
| Issued: 24.04.2024 |
| ›Spain |