AT477BAT477DAAT477BAT 477 BAT477 BAT 477BAT 477D AAT477D AAT 477DAAT 477 BAT477 BAT 477B
Authority
AT
Austria
Application number
Inventor
Frederik Walton
Original Assignee
Frederik Walton
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.)
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Publication date
Application filed by Frederik WaltonfiledCriticalFrederik Walton
Application grantedgrantedCritical
Publication of AT477BpublicationCriticalpatent/AT477B/de