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Application filed by Karl Becker, Neubauer Hans Dieter, Berrouschot Hans Dieter, Herbst Dietrich, Merk Ralf, Grasshoff Eberhard, Blume Elfriede, Blume Sonja, Blume Helga, Blume Susanne, Blume WernerfiledCriticalKarl Becker
Priority to DD15983771ApriorityCriticalpatent/DD135971A3/en
Publication of DD135971A3publicationCriticalpatent/DD135971A3/en