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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 ES204528A1publicationCriticalpatent/ES204528A1/es
Common Detailed Techniques For Electron Tubes Or Discharge Tubes
(AREA)
ES0204528A1951-07-171952-07-14UN TUBO DE DESCARGA ELÉCTRICO QUE COMPRENDE UNA ENVOLVENTE METáLICA Y QUE HA DE USARSE A LONGITUDES DE ONDA MUY CORTAS
ExpiredES204528A1
(es)