Patent:CH164250

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Patent:CH 164250
Title:Machine permettant d'effectuer des calculs
Date:30.09.1933
Place:
Country:Switzerland
Person:Couffignal, Pierre Louis (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 CH164250 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=CH164250)


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