Patent:DE476689

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Patent:DE 476689
Title:Rechenmaschine
Date:23.05.1929
Place:
Country:Germany
Person:Friden, Carl Mauritz Fredrick (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
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 DE476689 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=DE476689)


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