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Patent:US2597463


Patent:US 2597463
Title:Auxiliary tens-transfer mechanism
Date:20.05.1952
Place:San Leandro, CA
Country:USA
Person:Grant C. Ellerbeck
Company:Friden (P) Calculating Machine Co. Inc.
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Link to the patent office:
(without guarantee)
 US2597463 (espacenet),  US2597463 (uspto)


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