| 000 | 00377nam a22001337a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 090807t xxu||||| |||| 00| 0 eng d | ||
| 082 | _a621.31(026):622.333 | ||
| 110 |
_aIndian standards institution _99532 |
||
| 245 | _aGuide for selection electrical and electronic equipment for coal mines | ||
| 653 | _aIS:9559-1980 | ||
| 240 | _aIndian standard | ||
| 942 | _cISI | ||
| 999 |
_c336220 _d336220 |
||