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Patent:US2214897


Patent:US 2214897
Title:Calculating machine
Date:17.09.1940
Place:Bloomfield Hills, MI und Detroit
Country:USA
Person:Raymond G. Bower
Company:Burroughs (P) Adding Machine Corp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2214897 (espacenet),  US2214897 (uspto)


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