Patent:FR395523

From the great encyclopedia of mechanical calculating


Patent:FR 395523
Title:Disque calcul logarithmique
Date:04.01.1909
Place:
Country:France
Person:Leder, Ernst (P)
Company:
Internal Links:
Keywords:Rechenscheine, logarithmisch
Link to the patent office:
(without guarantee)
 FR395523 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=FR395523)


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