RADIO WAVES IN THE IONOSPHERE 精 5618

propagation of short radio waves……

七品北京

￥ 88.00

Monograph on radio waves and circuits

八五品武汉

￥ 20.00

FIELDS AND WAVES IN MODERN RADIO

八五品北京

￥ 180.00

RADIO WAVES IN THE IONOSPHERE 精 5616

八五品北京

￥ 99.00

RADIO SURFACE WAVES 无线电表面波

八品郑州

￥ 110.00

propagation of short radio waves（H1648）

八五品成都

￥ 150.00

Terrestrial radio waves 地面无线电波

七品孝感

￥ 38.25

Nonsinusoidal Waves for Radar and Radio Communication 5613

八五品北京

￥ 58.00

MONOGRAPH ON RADIO WAVES AND CIRCUITS 精 5618

八五品北京

￥ 22.00

MONOGRAPH ON RADIO WAVES AND CIRCUITS 精 5619

八五品北京

￥ 166.00