DIN ETS 300263/A1 : 1996
DIN ETS 300263/A1 : 19961472519
DIN ETS 300263/A1 : 1996
Title: Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994/A1:1996
Year: 1996
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994/A1:1996
Year: 1996
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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