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ORIA de la LASTRA CONCEPCIEN
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ORIA de la LASTRA CONCEPCIEN
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Priority to ES0254944ApriorityCriticalpatent/ES254944A1/es
Publication of ES254944A1publicationCriticalpatent/ES254944A1/es
Arrangement for engaging and disengaging the mechanism controlling the movement ofthe needle-carrying bars in sewing machines provided with two needles