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The english site is coming soon.
1967
Desztilláció II.
Chemical Industry, Industry, School, training, Vocational education
1968
Villám elleni védekezés eszközei
Electrical installation work, Physics, School, training, Vocational education
1974
A Few Words about Three Forms of Tuberculosis (Néhány szó három tüdőbetegségről )
Healthcare, Popular science
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