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Priority to ES477580ApriorityCriticalpatent/ES477580A3/en
Publication of ES477580A3publicationCriticalpatent/ES477580A3/en
Chemical And Physical Treatments For Wood And The Like
(AREA)
Abstract
Improvements introduced in the chimney heating systems, and more specifically in a heating unit adapted to be placed in the cavity of a wood chimney. (Machine-translation by Google Translate, not legally binding)
ES477580A1979-02-081979-02-08Improvements introduced in chimney heating systems. (Machine-translation by Google Translate, not legally binding)
ExpiredES477580A3
(en)