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Application filed by Hans Christian HansenfiledCriticalHans Christian Hansen
Priority to DK111745ApriorityCriticalpatent/DK67742C/da
Priority to ES175267Aprioritypatent/ES175267A1/es
Application grantedgrantedCritical
Publication of DK67742CpublicationCriticalpatent/DK67742C/da
Reproductor electrico de sonido, que funciona por variaciones de capacidad, apropiado para la reproduccion de discos gramofonicos, mediante cicuito amplificador