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MONTMARTIN CUY
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MONTMARTIN CUY
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Application filed by MONTMARTIN CUYfiledCriticalMONTMARTIN CUY
Priority to ES0004865UpriorityCriticalpatent/ES4865Y/es
Publication of ES4865UpublicationCriticalpatent/ES4865U/es
Application grantedgrantedCritical
Publication of ES4865YpublicationCriticalpatent/ES4865Y/es
Nueva lámpara eléctrica con reflector anular en que el anillo está colocado al nivel del filamento incandescente y la lámpara presenta, en una altura sensiblemente igual, a este anillo, una zona transparente que permite la emisión directa de los rayos hacia el anillo, mientras que todo el recto de la lámpara, o parte de él, y más especialmente la parte inferior, se convierte en difusora y reflectora por un procedimiento corriente conocido (esmerilado, plateado, esmaltado, etc.).
ES0004865U1936-07-101936-07-10Lámpara eléctrica con reflector anular.
ExpiredES4865Y
(es)