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S A De Promocion Y Fomento Ind
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S A De Promocion Y Fomento Ind
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Application filed by S A De Promocion Y Fomento IndfiledCriticalS A De Promocion Y Fomento Ind
Priority to ES1969153611UpriorityCriticalpatent/ES153611Y/es
Publication of ES153611UpublicationCriticalpatent/ES153611U/es
Application grantedgrantedCritical
Publication of ES153611YpublicationCriticalpatent/ES153611Y/es
Encofrado perdido, caracterizado esencialmente por el hecho de que está constituido por un cuerpo monopieza acanalado y de paredes divergentes, moldeado en un material formado a base de fibras vegetales y resina dotado de una pluralidad de embutidos transversales formando acanaladuras.
Fremgangsmåde til fremstilling af et termoplastisk oxymethylenpolymer-formemateriale med forbedrede formgivningsegenskaber og indeholdende et smøremiddel.