AT664BAT664DAAT664BAT 664 BAT664 BAT 664BAT 664D AAT664D AAT 664DAAT 664 BAT664 BAT 664B
Authority
AT
Austria
Application number
Inventor
Paul Theodor Sievert
Original Assignee
Paul Theodor Sievert
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Application filed by Paul Theodor SievertfiledCriticalPaul Theodor Sievert
Application grantedgrantedCritical
Publication of AT664BpublicationCriticalpatent/AT664B/de