CLEANING BOILER TUBES OF DIGESTING HEAT EXCHANGERS
LANG, GYOERGY, STEINER, JANOS, ODOR, GYULA, OSVALD, ZOLTAN, VERES, GERGELY
Year of Publication 04.10.1983
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Year of Publication 04.10.1983
Patent
Cleaning boiler tubes of digesting heat exchangers used in alum earth processing
LANG; GYOERGY, ODOR; GYULA, VERES; GERGELY, OSVALD; ZOLTAN, STEINER; JANOS
Year of Publication 12.10.1982
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Year of Publication 12.10.1982
Patent