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Economisirea materiilor prime şi a energiei
1976
Persistent link: https://www.econbiz.de/10003119434
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Energetică
1977
Persistent link: https://www.econbiz.de/10003119859
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Aspecte psiho-sociologice privind climatul întreprinderii
1977
Persistent link: https://www.econbiz.de/10003045179
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Automatizare
1977
Persistent link: https://www.econbiz.de/10003065096