000 | 00345nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 220201s1968 xx 000 0 eng d | ||
082 |
_a621.313 _bISI |
||
100 | _aIndian Standard Institute | ||
245 | 0 | _aIS:4691 degree of protection provided by enclosures for retaing electrical machinery | |
260 |
_bISI _c1968 |
||
300 | _a21 | ||
942 | _2ddc | ||
999 |
_c74693 _d74693 |