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Application filed by Frantisek Ing Csc Machek, Behalova Bozena, Vladimir Ing Sillinger, Vladimir Ing Drsc C Krumphanzl, Borivoj Ing Tomis, Nadezda Ing VavrickovafiledCriticalFrantisek Ing Csc Machek
Priority to CS876696ApriorityCriticalpatent/CS263298B1/cs
Publication of CS669687A1publicationCriticalpatent/CS669687A1/cs
Publication of CS263298B1publicationCriticalpatent/CS263298B1/cs