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Patent:US2107030


Patent:US 2107030
Title:Combined tabulating and punching mechanism
Date:01.02.1938
Place:Brooklyn und Buffalo, NY
Country:USA
Person:Dreher, Elmer H. (P)
Company:Remington (P) Rand Inc
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Keywords:
Link to the patent office:
(without guarantee)
 US2107030 (espacenet),  US2107030 (uspto)


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