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Patent:US2269644


Patent:US 2269644
Title:Keylock for cash registers
Date:13.01.1942
Place:Stockholm
Country:USA
Person:Knut Folke Bratt
Company:Kooperativa Förbundet, Förening u.p.a.
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Link to the patent office:
(without guarantee)
 US2269644 (espacenet),  US2269644 (uspto)


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