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GRAU FRITZ
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GRAU FRITZ
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Application filed by GRAU FRITZfiledCriticalGRAU FRITZ
Publication of ES208699A1publicationCriticalpatent/ES208699A1/es
Procedimiento para la obtención de medios protectores para materiales especialmente para tuberías tendidas en la tierra preferentemente en forma de vendas o fajas caracterizado por utilizarse como vehiculo de la masa protectora contra la corrosión una sustancia artificial preferentemente flexible.
ES0208699A1952-04-091953-04-09PROCEDIMIENTOS PARA LA OBTENCIoN DE MEDIOS PROTECTORES PARA MATERIALES
ExpiredES208699A1
(es)