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Patent:US496340


Patent:US 496340
Title:Key-locking and key-coupling mechanism for cash-registers
Date:25.04.1893
Place:Erie, PA
Country:USA
Person:Clark, William (P)
Company:Erie Cash Register Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US496340 (espacenet),  US496340 (uspto)


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