ES263829A1 - Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
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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Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES263829A1publicationCriticalpatent/ES263829A1/en
Improvements introduced in the manufacture of sodium vapor discharge lamps with a positive column and containing a rare gas filling, characterized by the fact that the pressure of the rare gas at ambient temperature is between 1 and 8 mm of mercury and the The gradient in the positive column is between 0.25 and 2.5 volts. per cm. (Machine-translation by Google Translate, not legally binding)
ES0263829A1960-01-091961-01-05Improvements introduced in the manufacture of sodium steam discharge lamps (Machine-translation by Google Translate, not legally binding)
ExpiredES263829A1
(en)
Installation for the determination of maximum and minimum level of low and high pressure, through the action of a switch (Machine-translation by Google Translate, not legally binding)