CENTRUM

Radio Sets, Electric Sound Recording and Reproducing Apparatus, Loud Speakers and Loud Speaker Units of the Microphone Type, Electric Condensers, Electric Conductors and Sound Boxes and Consumptive Articles of Such Apparatus, Such as Records on Films; Apparatus for Telephony and Telegraphy, Including Loudspeaking Telephones; Apparatus for One-Sided or Double-Sided Communication, Television Apparatus and Apparatus for the Transmission of Pictures, Amplifier Units, Such as Microphone Amplifiers, Photo-Electric Cell Amplifiers, Gramophone Amplifiers of the Microphonic Type, Final Stage Amplifiers