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Liant hydraulique entrant dans la composition des mortiers et des bétons
Nicolae Ionescu
National Museum of Romanian History
Nicolae Ionescu
National Museum of Romanian History
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
N. Petrașcu
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
I. Cazinovici, Săliște
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
Gabriel Covalschi
National Heritage Institute, Bucharest
National Heritage Institute, Bucharest
E. Zalai
National Heritage Institute, Bucharest