BR7802756A -
JOINING SYSTEM BETWEEN THE RELEASE DEVICE AND THE REPLACEMENT OF PERFORATED SHEETS REPLACEMENT FOR NOTEBOOK
- Google Patents
JOINING SYSTEM BETWEEN THE RELEASE DEVICE AND THE REPLACEMENT OF PERFORATED SHEETS REPLACEMENT FOR NOTEBOOK
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Publication number
BR7802756A
BR7802756ABR7802756ABR7802756ABR7802756ABR 7802756 ABR7802756 ABR 7802756ABR 7802756 ABR7802756 ABR 7802756ABR 7802756 ABR7802756 ABR 7802756ABR 7802756 ABR7802756 ABR 7802756A
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.)
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Publication date
Application filed by V CardellinifiledCriticalV Cardellini
Priority to BR7802756ApriorityCriticalpatent/BR7802756A/en
Publication of BR7802756ApublicationCriticalpatent/BR7802756A/en
Priority to US06/156,099prioritypatent/US4349289A/en
BR7802756A1977-04-191978-05-02
JOINING SYSTEM BETWEEN THE RELEASE DEVICE AND THE REPLACEMENT OF PERFORATED SHEETS REPLACEMENT FOR NOTEBOOK
BR7802756A
(en)