Patent:DE269175

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Patent:DE 269175
Title:Rechenschieber mit auswechselbaren Maßstäben
Date:29.12.1912
Place:Kiel
Country:Germany
Person:Friedrich Gerwin
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 DE269175 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=DE269175)


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