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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES257525A1publicationCriticalpatent/ES257525A1/es
Método de manipulación de costuras soldadas verticales no preparadas, en que los arcos eléctricos son dirigidos simultáneamente hacia la costura desde ambos lados y son alimentados con corriente alterna, caracterizado por el hecho de que los arcos eléctricos son encendidos por medio de transformadores que están conectados a fases disimilares de la red.
ES0257525A1959-04-241960-04-21Método de manipulacion de costuras soldadas verticales no preparadas
ExpiredES257525A1
(es)