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BLOSSE JEAN CHARLES JOSEPH
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BLOSSE JEAN CHARLES JOSEPH
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Application filed by BLOSSE JEAN CHARLES JOSEPHfiledCriticalBLOSSE JEAN CHARLES JOSEPH
Publication of ES188024A1publicationCriticalpatent/ES188024A1/es
Un objetivo de enfocador que se caracteriza porque está constituido por dos lentes plano-cóncavos reunidos de manera que las caras cóncavas se miren y formen un lente de aire al interior de una hoja de caras planas paralelas el radio de encorvadura R de la cara cóncava del lente anterior su espesor y su flecha y el diámetro útil D del objetivo deben de ser tales que satisfagan la relación siendo n el índice de refracción del cristal.
ES0188024A1948-05-271949-04-29ENFOCADOR oPTICO DE GRAN CAMPO
ExpiredES188024A1
(es)