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Hermes SA
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Hermes SA
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Priority to ES372911ApriorityCriticalpatent/ES372911A1/es
Publication of ES372911A1publicationCriticalpatent/ES372911A1/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