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Application filed by Bohumil Prom Chem Steiner, Vlasta Prom Chem Sasinkova, Milan Clen Kores Csav Repas, Novak Jan, Vlastimil Ing Csc Eterka, Smidrkal JanfiledCriticalBohumil Prom Chem Steiner
Priority to CS871617ApriorityCriticalpatent/CS261816B1/en
Publication of CS161787A1publicationCriticalpatent/CS161787A1/en
Publication of CS261816B1publicationCriticalpatent/CS261816B1/en