DIN ETS 300111 : 1993
DIN ETS 300111 : 19931472429
DIN ETS 300111 : 1993
Title: Integrated Services Digital Network (ISDN); telephony 3,1 kHz teleservice; service description; english version ETS 300111:1992
Year: 1993
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Integrated Services Digital Network (ISDN); telephony 3,1 kHz teleservice; service description; english version ETS 300111:1992
Year: 1993
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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