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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL19827377ApriorityCriticalpatent/PL108219B1/pl
Publication of PL198273A1publicationCriticalpatent/PL198273A1/pl
Publication of PL108219B1publicationCriticalpatent/PL108219B1/pl
PL19827377A1977-05-191977-05-19Apparatus for removing mud from the bottom of tankurzadzenie do usuwania szlamu z dna zbiornikow,zwls,especially in mines aszcza w kopalniach
PL108219B1
(pl)