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 Svenska Metallverken AbfiledCriticalSvenska Metallverken Ab
Priority to FI108757ApriorityCriticalpatent/FI32937A/fi
Publication of FI32937ApublicationCriticalpatent/FI32937A/fi