AT591BAT591DAAT591BAT 591 BAT591 BAT 591BAT 591D AAT591D AAT 591DAAT 591 BAT591 BAT 591B
Authority
AT
Austria
Application number
Inventor
Fritz Schlueter
Original Assignee
Fritz Schlueter
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Application filed by Fritz SchlueterfiledCriticalFritz Schlueter
Application grantedgrantedCritical
Publication of AT591BpublicationCriticalpatent/AT591B/de