AT572BAT572DAAT572BAT 572 BAT572 BAT 572BAT 572D AAT572D AAT 572DAAT 572 BAT572 BAT 572B
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 AT572BpublicationCriticalpatent/AT572B/de