Telephone pratishtapanam (m) /
Karl-Heinz Kleinau; Somasundaran, K, Tr.
Telephone pratishtapanam (m) / Karl-Heinz Kleinau; Somasundaran, K, Tr. - State Institute of Languages, TVPM, 1973 - p. ; 22 cm.
Wire telephony; Electronics and communication engineering; Applied physics
621.385 KAR-T
Telephone pratishtapanam (m) / Karl-Heinz Kleinau; Somasundaran, K, Tr. - State Institute of Languages, TVPM, 1973 - p. ; 22 cm.
Wire telephony; Electronics and communication engineering; Applied physics
621.385 KAR-T