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 Windmoeller & HoelscherfiledCriticalWindmoeller & Hoelscher
Application grantedgrantedCritical
Publication of FI40417CpublicationCriticalpatent/FI40417C/fi