DIN ETS 300109 : 1993
DIN ETS 300109 : 19931472427
DIN ETS 300109 : 1993
Title: Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992
Year: 1993
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
Title: Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992
Year: 1993
Publisher: DIN Media GmbH
Availability: Within 1-2 working days
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