MAKING METAL OXIDES WITH OXYGEN-CONTAINING GAS PRE-HEATED OVER PD-AU-AG-ALLOY ELECTRODE von FUHR W,DT, JASCHINSKI K,DT, ZIRNGIBL H,DT, WEIDMANN W,DT, BEUMER P,DT

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A PROCESS FOR COOLING HOT GAS/SOLIDS SUSPENSIONS von JASCHINSKI K,DT, ZIRNGIBL H,DT, WEIDMANN W,DT, BRANDLE K,DT

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