000 | 00478nam a22001577a 4500 | ||
---|---|---|---|
003 | OSt | ||
008 | 090807t xxu||||| |||| 00| 0 eng d | ||
082 | _a614.894 | ||
110 | _aBureau of Indian standards | ||
240 | _aIndian standard | ||
245 |
_aRespiratory protective devices-specification _bPart 2 open circuit breathing apparatus |
||
250 | _a1st rev. | ||
260 |
_aNew Delhi _bBureau of Indian standards institution _c1994 |
||
653 | _aIS 10245(Part 2):1994 | ||
942 | _cISI | ||
999 |
_c336622 _d336622 |