1965年度國內및國際電信・電話回線需要調查報告
Series: Suyo chosa pogo -- che 6-ho
Publisher: Chŏnmuguk
Published: 1966
Place of publication: Sŏul
Language: kor
Number of pages: 368
Subjects: Telecommunication
Other titles: 1965-yŏndo kungnae mit kukche chŏnsin, chŏnhwa hoesŏn suyo chosa pogo; Kungnae mit kukche chŏnsin, chŏnhwa hoesŏn suyo chosa pogo