AT719BAT719DAAT719BAT 719 BAT719 BAT 719BAT 719D AAT719D AAT 719DAAT 719 BAT719 BAT 719B
Authority
AT
Austria
Application number
Inventor
Erminio Ferraris
Original Assignee
Erminio Ferraris
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 Erminio FerrarisfiledCriticalErminio Ferraris
Application grantedgrantedCritical
Publication of AT719BpublicationCriticalpatent/AT719B/de