AT421BAT421DAAT421BAT 421 BAT421 BAT 421BAT 421D AAT421D AAT 421DAAT 421 BAT421 BAT 421B
Authority
AT
Austria
Application number
Inventor
Franz Louis Waechtler
Original Assignee
Franz Louis Waechtler
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Publication date
Application filed by Franz Louis WaechtlerfiledCriticalFranz Louis Waechtler
Application grantedgrantedCritical
Publication of AT421BpublicationCriticalpatent/AT421B/de