Patent:CH67930

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Patent:CH 67930
Title:Rechenmaschine
Date:01.02.1915
Place:Österreich
Country:Switzerland
Person:
Company:Bunzel Delton (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 CH67930 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=CH67930)


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