000 003120000a22001330004500
245 _aThe protective gear handbook
100 _aKaufmann, M.
260 _aLondon
_bSir Isaac Pitman
_c1945
300 _aix, 298p.
080 _a621.316.9
_bK3
650 _aElectric Switchgear
041 _aEN
942 _cBK
999 _c72485
_d72485