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
Priority claimed from AT523871Aexternal-prioritypatent/AT340762B/de
Priority claimed from AT569571Aexternal-prioritypatent/AT317665B/de
Priority claimed from AT569471Aexternal-prioritypatent/AT327672B/de
Priority claimed from AT652071Aexternal-prioritypatent/AT316976B/de
Priority claimed from AT707671Aexternal-prioritypatent/AT329967B/de
Application filed by Heinrich BartelmussfiledCriticalHeinrich Bartelmuss
Publication of FI780368ApublicationCriticalpatent/FI780368A/fi
Priority to FI822845ApriorityCriticalpatent/FI76852C/fi
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