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DIN ETS 300093-1:1992-12

Отменен
Integrated Services Digital Network (ISDN) - Calling Line Identification Restriction (CLIR) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification; english version ETS 300093-1:1992
DIN ETS 300093-1:1992-12
Отменен