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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 ES257523A1publicationCriticalpatent/ES257523A1/es
Método de ejecución de costuras soldadas verticalmente no preparadas, en que los arcos eléctricos son dirigidos simultáneamente y desde dos lados hacia la costura, siendo alimentado uno de los arcos eléctricos con corriente alterna y el otro con corriente contínua.
ES0257523A1959-04-241960-04-21Método de ejecucion de costuras soldadas verticales no preparadas
ExpiredES257523A1
(es)