DIN V I-ETS 300380:1995-10
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DIN V I-ETS 300380:1995-10

Universal Personal Telecommunication (UPT) - Access devices - Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone; English version I-ETS 300380:1995
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Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 10/01/1995
Page Count 8
EAN ---
ISBN ---
Weight (in grams) ---
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