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Application filed by Heat Extractor CorpfiledCriticalHeat Extractor Corp
Priority to IT8022963ApriorityCriticalpatent/IT1206082B/en
Publication of IT8022963A0publicationCriticalpatent/IT8022963A0/en
Application grantedgrantedCritical
Publication of IT1206082BpublicationCriticalpatent/IT1206082B/en