JPS51101520

Bibliographische Detailangaben

Hauptverfasser:	YAMAZAKI JUZO, FUKUDA SEISAKU, KUTSUKAKE AKIO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INSULATORS LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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