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5th General Assembly of Geodesics and Geophysics issue of Russia
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Short desc: 5th General Assembly of Geodesics and Geophysics
Issuer: Russia Date: 6/9/1971 Sort position: 2 Occasion: unset Consists of 1 stamp: (See stamps as list) 6k d=satellite (1971) All are dt=congresses perf=12 |
