AT886BAT886DAAT886BAT 886 BAT886 BAT 886BAT 886D AAT886D AAT 886DAAT 886 BAT886 BAT 886B
Authority
AT
Austria
Application number
Inventor
Heinrich Hempel
Original Assignee
Heinrich Hempel
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Publication date
Application filed by Heinrich HempelfiledCriticalHeinrich Hempel
Application grantedgrantedCritical
Publication of AT886BpublicationCriticalpatent/AT886B/de