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Folosirea rationala a timpului de munca productiv al muncitorilor : sintezǎ documentarǎ
Gheorghiţǎ, Şt. - 1975
Persistent link: https://www.econbiz.de/10002424414
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Protecţia mediului înconjurător
1977
Persistent link: https://www.econbiz.de/10003219039
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Protecţia muncii
1977
Persistent link: https://www.econbiz.de/10003219042
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Industria alimentară
1977
Persistent link: https://www.econbiz.de/10003148857
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Industria chimica
1977
Persistent link: https://www.econbiz.de/10003149130
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Industria electronică
1977
Persistent link: https://www.econbiz.de/10003150252
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Industria metalurgică
1977
Persistent link: https://www.econbiz.de/10003151047
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Întreprinderi din străinătate ; 1
1976
Persistent link: https://www.econbiz.de/10003151569
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Întreprinderi din străinătate ; 2
1976
Persistent link: https://www.econbiz.de/10003151600
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Formarea şi perfecţionarea cadrelor de conducere
1976
Persistent link: https://www.econbiz.de/10003132155