ES89181A1 - Aparato para la determinación de la intensidad luminosa esférica de manantiales de luz con ayuda de un fotómetro esférico.
- Google Patents
Aparato para la determinación de la intensidad luminosa esférica de manantiales de luz con ayuda de un fotómetro esférico.
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.)
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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
Priority to ES89181ApriorityCriticalpatent/ES89181A1/es
Publication of ES89181A1publicationCriticalpatent/ES89181A1/es
ES89181A1924-04-191924-04-19Aparato para la determinación de la intensidad luminosa esférica de manantiales de luz con ayuda de un fotómetro esférico.
ExpiredES89181A1
(es)