AT724BAT724DAAT724BAT 724 BAT724 BAT 724BAT 724D AAT724D AAT 724DAAT 724 BAT724 BAT 724B
Authority
AT
Austria
Application number
Inventor
Heinrich Michalek
Original Assignee
Heinrich Michalek
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Application filed by Heinrich MichalekfiledCriticalHeinrich Michalek
Application grantedgrantedCritical
Publication of AT724BpublicationCriticalpatent/AT724B/de