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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL24571884ApriorityCriticalpatent/PL140978B3/en
Publication of PL245718A3publicationCriticalpatent/PL245718A3/en
Publication of PL140978B3publicationCriticalpatent/PL140978B3/en