C.C.I.R. 12th Plenary Assembly, New Delhi, 1970.

C.C.I.R. 12th Plenary Assembly New Delhi 1970.

出版社：Geneva, International Telecommunication Union, 1970.

出版年：1970

作者：International Radio Consultative Committee.

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作者：International Radio Consultative Committee.
ISBN：9261000223
出版社：Geneva : International Telecommunication Union, 1975-1976.
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作者：International Radio Consultative Committee.
出版社：Geneva : International Telecommunication Union, 1975-1976.
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作者：Intrnational Radio Consultative Committee
出版社：Geneva : International telecommunication union, 1970
出版年：1970

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作者：Internatinal Radio Consultlaltive 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. 6. Mobile serivces (study group 8)

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