000 | 00322nam a2200109Ia 4500 | ||
---|---|---|---|
008 | 220201s1967 xx 000 0 eng d | ||
100 | _aIndian Standard Institute | ||
245 | 0 | _aIS:4237 general requirements for switch gear controlegaer for voltage not exceeding 1000 v | |
260 |
_bISI _c1967 |
||
300 | _a21 | ||
942 | _2ddc | ||
999 |
_c74691 _d74691 |