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Publication of ES207723A1publicationCriticalpatent/ES207723A1/en
A process for the preparation of mica and the manufacture of insulating materials based on mica, characterized in that the pieces of mica moistened or preferably soaked with water are subjected to the action of low temperatures (frozen). (Machine-translation by Google Translate, not legally binding)
ES0207723A1952-02-141953-02-13A procedure to work mica (Machine-translation by Google Translate, not legally binding)
ExpiredES207723A1
(en)
Procedure for the obtaining of thermal elements, especially for electrotermal cold production (Machine-translation by Google Translate, not legally binding)
A procedure for the production of quiltings of elastic material in expansion poroso moldeado (Machine-translation by Google Translate, not legally binding)