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Application filed by Πετρος Βιδαλης, Νικολαος ΠανουσιαδηςfiledCriticalΠετρος Βιδαλης
Priority to GR380107574ApriorityCriticalpatent/GR7574B/en
Publication of GR7574BpublicationCriticalpatent/GR7574B/en
GR380107574A1938-07-261938-07-26
ELECTRICAL CIRCUIT RESTORATION SYSTEM FOR RECEIVING A SECRET NUMBER OR SECRET WORD RECEIVED BY PUSHING ELECTRIC KEYS.
GR7574B
(en)