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Priority claimed from FR8515580Aexternal-prioritypatent/FR2588772B1/fr
Application filed by Charbonnages De FrancefiledCriticalCharbonnages De France
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Publication of ATE40052T1publicationCriticalpatent/ATE40052T1/de
AT86402350T1985-10-211986-10-20Vorrichtung zur zufuehrung eines von verstopfungen frei- machenden gases zu den oeffnungen eines wirbelbettgitters.
ATE40052T1
(de)