000 00273nam a2200085Ia 4500
008 180131b1938 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _a
245 _aEra-M/T57 - 1938; General Aspects Of Interference With Communication Circuits Due To Neutral Current
260 _a
_bERA Technology Ltd
_c1938
999 _c64109
_d64109