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Source:
Colnect
Issued by:
Russia
Function:
postage
Date:
6/9
/
1971
Issue:
5th General Assembly of Geodesics and Geophysics
Denom:
6k
Color:
multicolored
Design type:
congresses
Design:
satellite
(1971)
Watermark:
unwmk
Perf:
12
Catalog value:
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Next:
6k issue=8th International Oil Congress d=oil industry
External links:
Colnect 250673..iet_Union_USSR