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ROBERT WAELES
Original Assignee
ROBERT WAELES
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Publication date
Application filed by ROBERT WAELESfiledCriticalROBERT WAELES
Application grantedgrantedCritical
Publication of FR467131ApublicationCriticalpatent/FR467131A/fr
Procédé pour obtenir à l'aide des carbonates de baryum, de strontium, de potassium et de sodium, les peroxydes et les oxydes ou oxydes hydratés respectifs