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Application filed by Vaclav Ing Csc Hanzik, Ivan Dvorak, Pavel Ing Csc Vanek, Ladislav Ing Molnar, Kloboucek Bohumil, Karel Ing MatejufiledCriticalVaclav Ing Csc Hanzik
Priority to CS876982ApriorityCriticalpatent/CS265177B1/en
Publication of CS698287A1publicationCriticalpatent/CS698287A1/en
Publication of CS265177B1publicationCriticalpatent/CS265177B1/en