DescriptionNuclear Reactor Japan Stamp in 1957.JPG
日本語: 日本で最初の研究用原子炉JRR-1竣工を記念して発行された記念切手
Date
Source
投稿者の切手コレクションを撮影
Author
日本国郵政省発行の郵便切手
Licensing
Public domainPublic domainfalsefalse
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