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 A H Andersson & Co AktiebolagfiledCriticalA H Andersson & Co Aktiebolag
Priority to FI179263ApriorityCriticalpatent/FI41074C/en
Application grantedgrantedCritical
Publication of FI41074CpublicationCriticalpatent/FI41074C/en