DIN ETS 300263 : 1994
DIN ETS 300263 : 19941472518
DIN ETS 300263 : 1994
Title: Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
Year: 1994
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
Year: 1994
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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