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DK314743A1942-12-221943-12-03Fremgangsmaade til Fremstilling af Klordioksyd ved Reduktion af Metalklorater, navnlig Alkali- eller Jordalkaliklorater.
DK67226C
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Fremgangsmåde til fremstilling af en mangansulfatopløsning, der kan anvendes til fremstilling af metallisk mangan eller manganoverilte ved elektrolyse.