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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DE2919689
STOELZEL, WOLFGANG., DDR 9200 FREIBERG, DD, ZIEGENBALG, SIEGFRIED, .. DR, FISCHER, GERHARD. DR
Year of Publication 25.02.1988
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Year of Publication 25.02.1988
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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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GEILER, GUNTER., DDR 9200 FREIBERG, DD, ZIEGENBALG, SIEGFRIED, .. DR, HAAKE, GERHARD. DR
Year of Publication 29.01.1987
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Year of Publication 29.01.1987
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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
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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
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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
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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
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Process for preparing aluminium oxide
ERDMANN,HILMAR, RUESTER,MANFRED, GEILER,GUNTER, SCHOENHERR,JOACHIM, HOCHSTEIN,REINHARD, HAUPT,FRANK,.DR, ZIEGENBALG,SIEGFRIED,.DR, FISCHER,GERHARD,.DR, STOELZEL,WOLFGANG
Year of Publication 10.12.1987
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Year of Publication 10.12.1987
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