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Subjects
Civil defense
4
History
3
Education
2
Military
2
Agriculture
1
Arab-Israeli war
1
Army
1
Aviation
1
Biography
1
Camouflaging
1
Civil defense at factories
1
Civil defense command
1
Civil defense exercise
1
Civil movement
1
Cold War
1
Construction of shelters
1
Debrecen
1
Decontamination unit
1
Evacuation
1
Fashion
1