| 000 | 00420nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c8366 _d8366 |
||
| 082 |
_a620.8619 _bN78 |
||
| 245 | _aNiosh guide to industrial respiratory protection | ||
| 260 |
_aCincinnati, Ohio _bNational Institute for Occupation Safety and Health _c1987 |
||
| 300 |
_aviii, 296 p. _billus. ; 27 cm. |
||
| 650 | _aRespiratory organs - Protection | ||
| 700 | _aBollinger, Nancy | ||
| 700 | _aSchutz, Robert h. | ||
| 942 | _cBK | ||