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 HeidfiledCriticalHeid
Priority to FI259564ApriorityCriticalpatent/FI46312C/sv
Application grantedgrantedCritical
Publication of FI46312BpublicationCriticalpatent/FI46312B/fi
Publication of FI46312CpublicationCriticalpatent/FI46312C/sv