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La Seda de Barcelona SA
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La Seda de Barcelona SA
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Priority to ES395384ApriorityCriticalpatent/ES395384A3/es
Publication of ES395384A3publicationCriticalpatent/ES395384A3/es
Metodo y aparato para abultar una hilaza multifilamentosa consistente en una serie de filamentos termoplasticos que han sido sometidos a un tratamiento de rizado