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Patent:US853709


Patent:US 853709
Title:Type-writing attachment for adding-machines
Date:14.05.1907
Place:St. Louis, Miss.St. Louis, Miss.
Country:USA
Person:Adolphus G. Meier
Company:Cram Writing Machine Comp.
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(without guarantee)
 US853709 (espacenet),  US853709 (uspto)


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