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Application filed by Siegfried SchleicherfiledCriticalSiegfried Schleicher
Priority to DD20117477ApriorityCriticalpatent/DD132610B1/de
Priority to SU787770284Aprioritypatent/SU949636A1/ru
Priority to CS559578Aprioritypatent/CS237401B1/cs
Priority to DE19782840571prioritypatent/DE2840571A1/de
Publication of DD132610A1publicationCriticalpatent/DD132610A1/xx
Publication of DD132610B1publicationCriticalpatent/DD132610B1/de