IT1218971B -
SAFETY DEVICE FOR THE CONTROLLED OPENING OF A DOOR
- Google Patents
SAFETY DEVICE FOR THE CONTROLLED OPENING OF A DOOR
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Publication number
IT1218971B
IT1218971BIT67038/88AIT6703888AIT1218971BIT 1218971 BIT1218971 BIT 1218971BIT 67038/88 AIT67038/88 AIT 67038/88AIT 6703888 AIT6703888 AIT 6703888AIT 1218971 BIT1218971 BIT 1218971B
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Application filed by Dierre SrlfiledCriticalDierre Srl
Priority to IT67038/88ApriorityCriticalpatent/IT1218971B/en
Publication of IT8867038A0publicationCriticalpatent/IT8867038A0/en
Application grantedgrantedCritical
Publication of IT1218971BpublicationCriticalpatent/IT1218971B/en