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Patent:US2237153


Patent:US 2237153
Title:Tabulating machine
Date:01.04.1941
Place:Berlin-Lankwitz und New York
Country:USA
Person:Hans Neumann-Lezius
Company:IBM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2237153 (espacenet),  US2237153 (uspto)


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