000 00238nam a2200073 4500
080 _a
_b
245 _aIS: 1885 (Part XVII) - 1979; Electrotechnical vocabulary Part XVII Switchgear and controlgear
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1979
300 _a37p
999 _c31344
_d31344