DIN ETS 300053 : 1992

DIN ETS 300053 : 19921472389
DIN ETS 300053 : 1992
Title: Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991


Year: 1992
Publisher: DIN Media GmbH
Availability: Within 1-2 working days