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161 results with digital objects Show results with digital objects

Unesco

AR BeUNQ FFVR-ADEP-CICMAT-11
Item
1 de Agosto de 1973

Part of Fernando von Reichenbach

Carta de la Comisión Argentina para la UNESCO al Director del CLAEM relacionada con posibles publicaciones de textos del Centro en el Volumen XX de Estudios en el Extranjero.

Comisión Nacional Argentina para la UNESCO

United States Patent.

AR BeUNQ FFVR-ADEP-CAT-08
Item
1973

Part of Fernando von Reichenbach

Patente (Estados Unidos ) del Convertidor Gráfico Analógico. Original

United States Patent Office

AR BeUNQ FFVR-ADEP-CAT-09
Item
1968

Part of Fernando von Reichenbach

Documentos enviados por la Oficina de patetentes de Estados Unidos. Incluye varios inventos similares al Convertidor Gráfico-Analógico para ser comparados.