AT412BAT412DAAT412BAT 412 BAT412 BAT 412BAT 412D AAT412D AAT 412DAAT 412 BAT412 BAT 412B
Authority
AT
Austria
Application number
Inventor
Friedrich Ernst Benzing
Original Assignee
Friedrich Ernst Benzing
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Application filed by Friedrich Ernst BenzingfiledCriticalFriedrich Ernst Benzing
Application grantedgrantedCritical
Publication of AT412BpublicationCriticalpatent/AT412B/de