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Subjects
Agriculture
3
Air defense
3
Air raid
2
Air raid warning
3
Air-raid service
1
Animal and plant protection reconnaissance
1
Antichemical-protection service
5
Arms race
2
Assembly area
2
Bikini atoll nuclear tests
1
Biological warfare
2
Biological weapon
1
Black-out services
1
Budapesti Bőripari Vállalat
1
Camouflaging
1
Chemical attack
2
Chemical decontamination
4
Chemical decontamination techniques
1
Chemical reconnaissance
1
Chemical weapon
1