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Application filed by Friedhold Bauer, Gerd Wuestneck, Lutz Donath, Hans Behr, Heinz Ackermann, Johannes Keller, Hans Adam, Guenter Marloth, Udo EcklerfiledCriticalFriedhold Bauer
Priority to DD20554978ApriorityCriticalpatent/DD136588A1/de
Publication of DD136588A1publicationCriticalpatent/DD136588A1/de