AT487BAT487DAAT487BAT 487 BAT487 BAT 487BAT 487D AAT487D AAT 487DAAT 487 BAT487 BAT 487B
Authority
AT
Austria
Application number
Inventor
Gustav Adolf Kiefer
Original Assignee
Gustav Adolf Kiefer
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 Gustav Adolf KieferfiledCriticalGustav Adolf Kiefer
Application grantedgrantedCritical
Publication of AT487BpublicationCriticalpatent/AT487B/de