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Patent:US1414855


Patent:US 1414855
Title:Time Meter
Date:02.05.1922
Place:
Country:USA
Person:R. E. Bishop
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1414855 (espacenet),  US1414855 (uspto)


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Aus der Patentschrift US1414855