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Individual
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Individual
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Priority to ES0052658UpriorityCriticalpatent/ES52658U/en
Publication of ES52658UpublicationCriticalpatent/ES52658U/en
A spongy refractory material with a protective coating, essentially characterized in that it is constituted by a hardened body of spongy constitution, externally surrounded by a continuous film coating of plastic material. (Machine-translation by Google Translate, not legally binding)
ES0052658U1956-02-081956-02-08A spongy refractory material with protective coating (Machine-translation by Google Translate, not legally binding)
PendingES52658U
(en)