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Standard [CURRENT]

NF Z89-679:2000-02-01

NF ETS 300679:2000-02-01

Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids

German title
Endgeräte (TE) - Sprechverkehr für Schwerhörige - Elektrische Kopplung von Fernsprechapparaten mit Schwerhörigengeräten
Publication date
2000-02-01
Original language
French
Pages
16

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Publication date
2000-02-01
Original language
French
Pages
16

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