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Patent:US1311457


Patent:US 1311457
Title:Chifer apparat
Date:29.07.1919
Place:Roma
Country:USA
Person:Nicoletti Luigi
Company:CUAR
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1311457 (espacenet),  US1311457 (uspto)


CUAR stands for Cifrario Universale A Regolo

Cifrario CUAR.jpg