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ZGID ZALEWSKI EDWARD
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ZGID ZALEWSKI EDWARD
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Publication of ES234164A1publicationCriticalpatent/ES234164A1/es
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Abstract
Perfeccionamientos en la fabricación de tubos flexibles de material plástico armado, caracterizados porque su armadura está constituída por al menos un arrollamiento helicoidal embutido en el espesor de su pared.
ES0234164A1956-03-271957-03-11PERFECCIONAMIENTOS EN LA FABRICACIoN DE TUBOS FLEXIBLES DE MATERIAL PLáSTICO ARMADO Y MáQUINA PARA SU CONSTRUCCIoJ
ExpiredES234164A1
(es)