IT1143896BIT8415477AIT8415477AIT1143896BIT 1143896 BIT1143896 BIT 1143896BIT 8415477 AIT8415477 AIT 8415477AIT 8415477 AIT8415477 AIT 8415477AIT 1143896 BIT1143896 BIT 1143896B
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Application filed by Mainetti SpafiledCriticalMainetti Spa
Priority to IT8415477ApriorityCriticalpatent/IT1143896B/it
Priority to DE19772750113prioritypatent/DE2750113A1/de
Priority to CH1370677Aprioritypatent/CH618597A5/it
Priority to NL7712414Aprioritypatent/NL7712414A/xx
Priority to GB4746177Aprioritypatent/GB1582080A/en
Priority to FR7734624Aprioritypatent/FR2371176A1/fr
Application grantedgrantedCritical
Publication of IT1143896BpublicationCriticalpatent/IT1143896B/it