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Patent:US2324438


Patent:US 2324438
Title:Statistical machine
Date:13.07.1943
Place:Wallington und Carlshalton und London
Country:USA
Person:Arthur Thomas Norman Geoffrey Holden
Company:Powers Accounting Machines Ltd.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2324438 (espacenet),  US2324438 (uspto)


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