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Patent:US2317284


Patent:US 2317284
Title:Bookkeeping machine
Date:20.04.1943
Place:Stockholm und New York
Country:USA
Person:Elis Magnus Magnusson
Company:Ekonomiregister, Inc.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2317284 (espacenet),  US2317284 (uspto)


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