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Application filed by Pirko Martin, Theodor Susanka, Lubomir Macenka, Talach JaroslavfiledCriticalPirko Martin
Priority to CS884789ApriorityCriticalpatent/CS268464B1/en
Publication of CS478988A1publicationCriticalpatent/CS478988A1/en
Publication of CS268464B1publicationCriticalpatent/CS268464B1/en