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Source:
Colnect
Issued by:
Czechoslovakia
Function:
postage
Date:
10/28
/
1975
Issue:
30th Anniversary of Socialist Construction
Denom:
30h
Color:
multicolored
Design:
Slovnaft Petrochemical Plant
Watermark:
unwmk
Perf:
11.25x11.5
Catalog value:
Prev:
9/30/1975 5kc issue=Co-operation in Space Research
Next:
60h d=Atomic power station
External links:
Colnect 125734..t_Construction
Record of changes
