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Patent:US1340435


Patent:US 1340435
Title:Cost-keeping-machine
Date:18.05.1920
Place:Binghamton, NY
Country:USA
Person:Bryce, James (P)
Company:International Time Recording Company of New York
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1340435 (espacenet),  US1340435 (uspto)


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