Patent:CA274666

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Patent:CA 274666
Title:Calculating machine
Date:18.10.1927
Place:
Country:Canada
Person:Friden, Carl Mauritz Fredrick (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 CA274666 (http://patents.ic.gc.ca/cipo/cpd/en/patent/274666/summary.html)


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