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Patent:US856905


Patent:US 856905
Title:Attachment for Adding-machines
Date:11.06.1907
Place:East Orange, NJ
Country:USA
Person:Pentecost, Arthur (P)
Company:Pike Adding Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US856905 (espacenet),  US856905 (uspto)


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