000 00244nam a2200073 4500
080 _a
_b
245 _aIS:3427:1997:IEC:298(1990): A.C.Metal enclosed switchgear & controlgear for rated voltages above 1kv & upto & including 52KV
100 _aBIS
260 _aNew Delhi
_bBIS
_c1997
300 _a67P
999 _c36413
_d36413