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Bartlett Lester H
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Bartlett Lester H
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Priority to ES4073ApriorityCriticalpatent/ES4073A1/es
Publication of ES4073A1publicationCriticalpatent/ES4073A1/es
Un resultado industrial consistente en la aplicación de la pintura de amianto a obtener la incombustibilidad de todas las sustancias de origen vegetal.