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Patent:US1088889


Patent:US 1088889
Title:Time and wage computer
Date:03.03.1914
Place:Needham, MA und Salem, MA und Boston
Country:USA
Person:Thomas J. Falvey Robson D. Caldwell
Company:Caldwell Mfg. Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1088889 (espacenet),  US1088889 (uspto)


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