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Application filed by Wilhelm Adolf August Roeper, Max Bohle, Theodor Knoblich, Maximilian LoewigfiledCriticalWilhelm Adolf August Roeper
Priority to AT1583DpriorityCriticalpatent/AT1583B/de
Application grantedgrantedCritical
Publication of AT1583BpublicationCriticalpatent/AT1583B/de