AT614BAT614DAAT614BAT 614 BAT614 BAT 614BAT 614D AAT614D AAT 614DAAT 614 BAT614 BAT 614B
Authority
AT
Austria
Application number
Inventor
Otto Walter Schaum
Original Assignee
Otto Walter Schaum
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Publication date
Application filed by Otto Walter SchaumfiledCriticalOtto Walter Schaum
Application grantedgrantedCritical
Publication of AT614BpublicationCriticalpatent/AT614B/de