BIOLOGICAL PURIFYING WASTE WATERS ACTIVATED BY SLUDGE
BUDAY,MIKULAS,CS, ARENDAS,PETER,CS, HARANGOZO,GYOERGY,CS, MISKOVIC,JURAJ,CS, WARADZIN,WALTER,CS, SKUBLA,PAVOL,CS
Year of Publication 13.08.1984
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Year of Publication 13.08.1984
Patent