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Application filed by Lubomir Ing Sabatka, Josef Ing Trubacek, Jiri Ing PopelinskyfiledCriticalLubomir Ing Sabatka
Priority to CS855232ApriorityCriticalpatent/CS256878B1/en
Publication of CS523285A1publicationCriticalpatent/CS523285A1/en
Publication of CS256878B1publicationCriticalpatent/CS256878B1/en