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Patent:US3465611


Patent:US 3465611
Title:Dual totaling mechanism for adding machines
Date:09.09.1969
Place:Sayama-shi und Tokyo
Country:USA
Person:Yoshiyuki Nakazima Ken Kozasa
Company:Citizen (P) Watch Co.
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Keywords:
Link to the patent office:
(without guarantee)
 US3465611 (espacenet),  US3465611 (uspto)


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