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Patent:US1579929


Patent:US 1579929
Title:Distinguishing means for keys and dials op registering machines
Date:06.04.1926
Place:Buffalo, NY
Country:USA
Person:Gubelmann, William S. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1579929 (espacenet),  US1579929 (uspto)


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