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Joseph Bancroft and Sons Co
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Joseph Bancroft and Sons Co
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Application filed by Joseph Bancroft and Sons CofiledCriticalJoseph Bancroft and Sons Co
Priority to ES411449ApriorityCriticalpatent/ES411449A1/es
Publication of ES411449A1publicationCriticalpatent/ES411449A1/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