The 50th Anniversary of the 100m Effelsberg Radio Telescope 2021
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2021
The 50th Anniversary of the 100m Effelsberg Radio Telescope
1. april WM: Nič Velikost polja: 10 Oblika: Michael Menge Perforacija: 13½ x 13¾
![[The 50th Anniversary of the 100m Effelsberg Radio Telescope, tip DPA]](https://www.stampworld.com/media/catalogue/Germany/Postage-stamps/DPA-s.jpg)
