Patent:CA405497

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Patent:CA 405497
Title:Numeral wheel
Date:16.06.1942
Place:Chicago
Country:Canada
Person:Niemann, Frederick (P) Adolph
Company:Felt und Tarrant (P) Felt & Tarrant Manif. Co.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 CA405497 (http://patents.ic.gc.ca/cipo/cpd/en/patent/405497/summary.html)


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