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MARFA LLITERAS PILAR DE
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MARFA LLITERAS PILAR DE
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Application filed by MARFA LLITERAS PILAR DEfiledCriticalMARFA LLITERAS PILAR DE
Priority to ES1977228927UpriorityCriticalpatent/ES228927Y/es
Publication of ES228927UpublicationCriticalpatent/ES228927U/es
Application grantedgrantedCritical
Publication of ES228927YpublicationCriticalpatent/ES228927Y/es
Tubo mixto, caracterizado porque está constituido por un cuerpo moldeado de doble pared, que consta de una parte tubular interior de forma cilíndrica lisa y de una parte exterior de perfil longitudinal formando acanaladura unidas por su fondo a la cara externa del citado tubo interior.