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 Hj H Kasten Ab OyfiledCriticalHj H Kasten Ab Oy
Priority to FI752321ApriorityCriticalpatent/FI50761C/fi
Publication of FI50761BpublicationCriticalpatent/FI50761B/fi
Application grantedgrantedCritical
Publication of FI50761CpublicationCriticalpatent/FI50761C/fi
Priority to CH982176Aprioritypatent/CH609000A5/xx
Priority to SE7608850Aprioritypatent/SE412100B/xx
Priority to NO762765Aprioritypatent/NO144313C/no
Priority to GB33642/76Aprioritypatent/GB1551270A/en