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Patent:US1399450


Patent:US 1399450
Title:Paper-strip feed for adding-machines
Date:06.12.1921
Place:
Country:USA
Person:Trinks, Franz (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1399450 (espacenet),  US1399450 (uspto)


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Aus der Patentschrift US1399450