Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pasquale FragnitofiledCriticalPasquale Fragnito
Priority to IT91RM000725ApriorityCriticalpatent/ITRM910725A1/it
Publication of ITRM910725A0publicationCriticalpatent/ITRM910725A0/it
Publication of ITRM910725A1publicationCriticalpatent/ITRM910725A1/it
IT91RM000725A1991-09-271991-09-27Dispositivo a lastra trasparente, incorporato nella struttura di gommoni e simili, per la visione sottomarina.
ITRM910725A1
(it)