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Application filed by Svoboda Jiri, Palecek Jaroslav, Kubelka Vladislav, Dedek Vaclav, Mostecky Jiri, Vladislav Ing Votava, Miloslav Ing Cerny, Stanek Jan, Ahonovsky Jan Rndr Dr, Hampl FrantisekfiledCriticalSvoboda Jiri
Priority to CS839341ApriorityCriticalpatent/CS239134B1/en
Publication of CS934183A1publicationCriticalpatent/CS934183A1/en
Publication of CS239134B1publicationCriticalpatent/CS239134B1/en