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Bituminous Coal Research Inc
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Bituminous Coal Research Inc
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Priority claimed from US00237333Aexternal-prioritypatent/US3840354A/en
Application filed by Bituminous Coal Research IncfiledCriticalBituminous Coal Research Inc
Application grantedgrantedCritical
Publication of AU5351573ApublicationCriticalpatent/AU5351573A/en
Publication of AU468919B2publicationCriticalpatent/AU468919B2/en