IEC 60617-10:1983/AMD1:1987
(Amendment)Amendment 1 - Graphical symbols for diagrams. Part 10: Telecommunications: Transmission.
Amendment 1 - Graphical symbols for diagrams. Part 10: Telecommunications: Transmission.
Amendement 1 - Symboles graphiques pour schémas. Dixième partie: Télécommunications: Transmission.
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