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 Ipak SpafiledCriticalIpak Spa
Priority to IT2363981UpriorityCriticalpatent/IT8123639V0/en
Publication of IT8123639V0publicationCriticalpatent/IT8123639V0/en
Priority to CH283082Aprioritypatent/CH649690A5/en
Priority to FI821658Aprioritypatent/FI70781C/en
Priority to GB8213737Aprioritypatent/GB2110919A/en