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Subjects
Council for Mutual Economic Assistance
2
Decontamination of food
2
Public health
2
Warsaw Pact
2
Women
2
Youth
2
Animal and plant protection reconnaissance
1
Civil defense exercise
1
Decontamination of animals
1
Decontamination of land
1
Decontamination of water
1
Food industry
1
Geography of Hungary
1
Great October Socialist Revolution
1
History of Hungary
1
History of Hungary
1
Hungarian Socialist Workers’ Party
1
Hungarian Soviet Republic
1
Laboratory
1
Labour movement
1