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 P G Holm Ab OyfiledCriticalP G Holm Ab Oy
Priority to FI138365ApriorityCriticalpatent/FI43835B/fi
Priority to GB5441565Aprioritypatent/GB1059070A/en
Priority to DE19661511727prioritypatent/DE1511727A1/de
Priority to DK13866Aprioritypatent/DK113875B/da
Priority to BE682395Dprioritypatent/BE682395A/xx
Priority to FR65115Aprioritypatent/FR1484871A/fr
Application grantedgrantedCritical
Publication of FI43835BpublicationCriticalpatent/FI43835B/fi