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Application filed by B.Z. Di Bizzocchi DavidefiledCriticalB.Z. Di Bizzocchi Davide
Priority to IT91RA000003UpriorityCriticalpatent/ITRA910003U1/en
Publication of ITRA910003V0publicationCriticalpatent/ITRA910003V0/en
Publication of ITRA910003U1publicationCriticalpatent/ITRA910003U1/en
IT91RA000003U1991-05-241991-05-24
AUTOMATIC LOCKING SAFETY DEVICE, WITH AUTOMATIC LOCKING, FOR ITALIAN STAIRS THAT CAN BE PLUGGED IN SUCCESSION.
ITRA910003U1
(en)