Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES222636A1publicationCriticalpatent/ES222636A1/es
Tubo de descarga eléctrica para tensiones comparativamente altas, más en particular un tubo de rayos catódicos, caracterizado por el hecho de comprender un indicador de uso que comprende una sustancia sensible a los rayos x blandos.
ES0222636A1954-06-281955-06-25Un tubo de descarga eléctrica
ExpiredES222636A1
(es)