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Popular science (2723), Tales (1570), School, training (1178), Geography (754), Politics (610), Biology (453), Agriculture (453), Vocational education (398), History (345), Industry (325), Junior (317), Geography of Hungary (303), Biography (278), Art (253), Fine arts (230), Literature (201), Physics (194), Hungarian history (193), Transportation (189), Healthcare (176), Hungarian literature (170), Sounded slide (169), Botany (168), Cartoon-based (133), Technical history (130), ...
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The english site is coming soon.
1954
Six Months at the North Pole (Hat hónap az Északi sarkon )
Geography, Popular science
1963
Peking (Peking )
Geography, Popular science
1955
Acélszerkezeti lakatos szakmai ismeretek 2-4 téma : Szerkezeti elemek gerinclemezes és rásocs tartók, oszlopok
School, training, Vocational education
1976
Fémipari Mechanikai, technológiai eljárások ( Szilárd, képlékeny cseppfolyós alakítás )
School, training, Vocational education
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