Janr: Documentary
Yulduzlar:
Ekipaj:
Mamlakat: United States of America
Til: English
Studiya: Audio Productions Inc.
Ish vaqti: 10 daqiqa
Sifat: HD
Chiqarilgan vaqti: Jan 01, 1951
IMDb: 10
Kalit so zlar:technology, telephone, educational, instructional video, how to, long distance telephone, telecommunications
