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Application filed by Milan Pesl, Leopold Kolarovic, Vladimir Mynar, Emil Dzierza, Ladislav Tomaj, Ivan Wlachovsky, Jozef MeciarfiledCriticalMilan Pesl
Priority to CS559377ApriorityCriticalpatent/CS192295B1/cs
Publication of CS192295B1publicationCriticalpatent/CS192295B1/cs
CS559377A1977-08-261977-08-26Method of working the thick seams of the sevice minerals by the lohgwall mining and facility for executing the same
CS192295B1
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