00511nam a2200145Ia 450000500170000000800460001703700290006304000200009204100130011208400230012524500780014826000670022630000120029349000600030520250508153315.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDLbengcFEDL  aeng2eng  a537.5, CAL/OqFEDL 0aElectronics high frequency: Laboratory experiments and information sheets  aCalifornia, USAbCalifornia State Depatment of Educationc1961  axi,88p.  aTechnical education curriculum development series no. 3