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Patent:US1533121


Patent:US 1533121
Title:Nonprint mechanism of printing tabulators
Date:14.04.1925
Place:Brooklyn und New York
Country:USA
Person:Lasker, William Walter (P)
Company:Powers Accounting Machine Corp.
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Link to the patent office:
(without guarantee)
 US1533121 (espacenet),  US1533121 (uspto)


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