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Patent:US2137845


Patent:US 2137845
Title:Blocking device for cash registers, bookkeeping machines, or the like
Date:22.11.1938
Place:Bielefeld
Country:USA
Person:Klaar, Albert (P)
Company:Anker (P) Werke AG
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Keywords:
Link to the patent office:
(without guarantee)
 US2137845 (espacenet),  US2137845 (uspto)


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