electrical apparatus for line telephony or line telegraphy Türkçe, electrical apparatus for line telephony or line telegraphy Türkçesi, electrical apparatus for line telephony or line telegraphy Türkçe çevirisi; electrical apparatus for line telephony or line telegraphy nedir, electrical apparatus for line telephony or line telegraphy ne demek; electrical apparatus for line telephony or line telegraphy anlamı, electrical apparatus for line telephony or line telegraphy tanımı