Patent:DE335496

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Patent:DE 335496
Title:Umkehrsperre für Rechenmaschinen
Date:01.11.1918
Place:Stockholm, Schweden
Country:Germany
Person:Rudin, Karl Viktor (P)
Company:
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Keywords:
Link to the patent office:
(without guarantee)
 DE335496 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=DE335496)


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Aus der Patentschrift DE335496

Schweden 16.11.1917

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