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International Frequency Registration board
IT
国际频率登记局
International Frequency Registration Board
earth.sc.
国际频率数记录委员会
econ.
国际频道注册委员会
el.
国际频率注册委员会
shipb.
国际频率登记局
联合国
space
国际频率登记委员会
;
国际频率注册局
(简称频登会,国际电联机构)
telecom.
国际频率登记委员会
原 ITU 所属机构,1993年3月撤消,其工作归并人 ITU-R
English thesaurus
International Frequency Registration Board
abbr., astronaut.
IFRB
(ITU)
el., abbr.
IFRB
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