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Patent:US2453932


Patent:US 2453932
Title:Business machine
Date:16.11.1948
Place:Laverock-Hillcrest, PA
Country:USA
Person:Richard W. Pitman
Company:Underwood (P) Corp.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2453932 (espacenet),  US2453932 (uspto)


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