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Priority to PL23327781ApriorityCriticalpatent/PL135222B1/en
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Publication of PL135222B1publicationCriticalpatent/PL135222B1/en
PL23327781A1981-10-011981-10-01Stocker for fluidizing beds of granular materials in particular for use in steel heat treatment equipment
PL135222B1
(en)