| 000 | 00430nam a22001457a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 090807t xxu||||| |||| 00| 0 eng d | ||
| 082 | _a614.892:616.28-072.7 | ||
| 110 |
_aIndian standards institution _99532 |
||
| 245 | _aSpecification for ear protectors | ||
| 653 | _aIS:9167-1979 | ||
| 260 |
_aNew DelhiIndian standards institution _bIndian standards institution _c1979 |
||
| 240 | _aIndian standard | ||
| 942 | _cISI | ||
| 999 |
_c336228 _d336228 |
||