Reaching of Critical Mass by Joyo Fast-Breeder Reactor, Oarai Town 1977
Viser nu Japan - Post frimærker - 1977 - Reaching of Critical Mass by Joyo Fast-Breeder Reactor, Oarai Town - 1 frimærker.
1977
Reaching of Critical Mass by Joyo Fast-Breeder Reactor, Oarai Town
6. juni VM: Ingen Perforeringer: 13½
![[Reaching of Critical Mass by Joyo Fast-Breeder Reactor, Oarai Town, type BFC]](https://www.stampworld.com/media/catalogue/Japan/Postage-stamps/BFC-s.jpg)
