CCIR 12th Plenary Assembly, New Delhi, 1970 : v.5, pt. 2 Broadcasting service (television)(study gro

CCIR 12th Plenary Assembly New Delhi 1970 : v.5 pt. 2 Broadcasting service (television)(study gro

出版社：Geneva : International Telecommunication Union, 1970

出版年：1970

作者：Internatinal Radio Consultlaltive Committee

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CCIR 12th Plenary Assembly, New Delhi, 1970 : v.2. pt. 1 Propagation in non-ionized media (study gro

作者：International Radio Consultative Committee
出版社：Geenva : International telecommunication Union, 1970
出版年：1970

CCIR 12th Plenary Assembly, New Delhi, 1970 : v.5 pt.1 Broadeasting service (sound)(Study group 10),

作者：International Radio Consultative Committee
出版社：Geneva : International Telecommunication Union, 1970
出版年：1970

CCIR 12th Plenary Assembly, New Delhi, 1970 : v.4 pt.2 Fixed service using communication satellites

作者：Internatinal Radio Consultative Committee
出版社：Geneva : International elecommunication Union, 1970
出版年：1970

CCIR 12th Plenary Assembly New Delhi, 1970 : v.2, pt.2 Ionospheric propoagation (study group 6)

作者：International Radio Consultative Committee
出版社：Geneva : International Telecommunication Union, 1970
出版年：1970

CCIR 12th Plenary Assembly, New Delhi, 1970 : v. 3. Fixed service at frequencies below about 30 MHz

作者：International Radio Consultative Committee
出版社：Geneva : International Telecommunication Union, 1970
出版年：1970

CCIR 12th Plenary Assembly, New Delhi, 1970 : v. 7. Information concerning the 12th Plenary Assembly

作者：Intrnational Radio Consultative Committee
出版社：Geneva : International telecommunication union, 1970
出版年：1970