Process for the preparation of pure aluminum oxide
SIEBERT; RUDOLF, ZIEGENBALG; SIEGFRIED, HAAKE; GERHARD, FISCHER; GERHARD
Year of Publication 23.09.1980
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Year of Publication 23.09.1980
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METHOD OF PURE ALUMINIUM OXIDE PRODUCTION
ZIEGENBALG,SIEGFRIED,DD, HAAKE,GERHARD,DD, SIEBERT,RUDOLF,DD, FISCHER,GERHARD,DD
Year of Publication 13.08.1987
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Year of Publication 13.08.1987
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Process for the preparation of pure aluminium oxide
SIEBERT,RUDOLF, HOCHSTEIN,REINHARD, ZIEGENBALG,SIEGFRIED,..NAT, HAAKE,GERHARD,.DR, FISCHER,GERHARD,.DR, DRESSLER,WOLFGANG
Year of Publication 18.10.1984
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Year of Publication 18.10.1984
Patent
METHOD FOR PRODUCING PURE ALUMINA
ZIEGENBALG,SIEGFRIED,DD, HAAKE,GERHARD,DD, SIEBERT,RUDOLF,DD, FISCHER,GERHARD,DD
Year of Publication 28.09.1984
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Year of Publication 28.09.1984
Patent
VERFAHREN ZUR HERSTELLUNG VON REINEM ALUMINIUMOXID
ZIEGENBALG,SIEGFRIED,DD, HAAKE,GERHARD,DD, SIEBERT,RUDOLF,DD, FISCHER,GERHARD,DD
Year of Publication 25.03.1981
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Year of Publication 25.03.1981
Patent
VERFAHREN ZUR HERSTELLUNG VON REINEM ALUMINIUMOXID
SIEBERT,RUDOLF, HAAKE,GERHARD,.DR, ZIEGENBALG,SIEGFRIED,.DR, FISCHER,GERHARD,.DR
Year of Publication 31.10.1979
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Year of Publication 31.10.1979
Patent
DE2906646
SIEBERT, RUDOLF., DDR 9200 FREIBERG, DD, ZIEGENBALG, SIEGFRIED, .. DR, FISCHER, GERHARD. DR, HAAKE, GERHARD. DR
Year of Publication 19.06.1987
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Year of Publication 19.06.1987
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PROCESS FOR THE REMOVAL OF ORGANIC COMPOUNDS FROM ALUMINA PRODUCTION CYCLE
ZIEGENBALG SIEGFRIED, ZAMBE JANOS, FEHER IVAN, MAROS LASZLO, SIEBERT RUDOLF, SZABO ZOLTAN, SOLYMAR KAROLY, STEINER JANOS, PINTER MARGIT-SZAKACS, KELEMEN MARIA ORBAN, MATYASI JOZSEI, MOLNAR IBOLYAVPERL, LOWE DIETER
Year of Publication 15.10.1983
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Year of Publication 15.10.1983
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PROCEDIMENTO PER LA RIMOZIONE DI COMPOSTI ORGANICI DAL CICLO DI PRODUZIONE DI TERRA D'ALLUMINIO
ZIEGENBALG SIEGFRIED, FEHER IVAN, MOLNAR IBOLYA-PERL, MAROS LASZLO, ZAMBO JANOS, SIEBERT RUDOLF, SZABO ZOLTAN, SOLYMAR KAROLY, STEINER JANOS, PINTER MARGIT-SZAKACS, KELEMEN MARIA ORBAN, LOWE DIETER, MATYASI JOZSEF
Year of Publication 01.04.1987
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Year of Publication 01.04.1987
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REMOVING ORGANICS FROM ALUM EARTH BAYER PROCESS
JANOS STEINER, JOZSEF MATYASI, MARGIT-SZAKACS PINTER, RUDOLF SIEBERT, ZOLTAN SZABO, JANOS ZAMBO, MARIO ORBAN KELEMEN, LASZLO MAROS, DIETER LOWE, SIEGFRIED ZIEGENBALG, IBOLYA-PERL NOLNAR, IVAN FEHER, KAROLY SOLYMAR
Year of Publication 01.09.1983
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Year of Publication 01.09.1983
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