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Application filed by Alois Hanousek, Lubomir Fuxa, Jaroslav Ing Stembera, Otmar Prax, Talach JaroslavfiledCriticalAlois Hanousek
Priority to CS866638ApriorityCriticalpatent/CS258870B1/en
Priority to DD30669887Aprioritypatent/DD285261A7/en
Publication of CS663886A1publicationCriticalpatent/CS663886A1/en
Publication of CS258870B1publicationCriticalpatent/CS258870B1/en