000 00445cam a2200181ua 4500
020 _cRs 7.20
041 _aeng
_h
082 _a621.301
_bCOT/EL
100 _aCotton, H .
245 _aElectrical technology /
_cH Cotton.
_hTextual Documents
260 _aLondon :
_bEnglish Language Book Society ,
_c1962.
300 _a599 ; .
365 _aRs 7.20
504 _a
942 _cBK
999 _c1486
_d1486