| LDR | | 00616camk 00157 k 4500 |
| 001 | | 000000037994 |
| 005 | | 20031110133403 |
| 008 | | 031110s2003 us 000a eng |
| 049 | |
▼l WM00005870
▼l WM00005876
▼c c.2 |
| 056 | |
▼a 530.982 |
| 090 | |
▼a 530.982
▼b U84r |
| 110 | |
▼a U.S. Department of Labor Bureau of Labor Statistics. |
| 245 | 10 |
▼a Respirator Usage in Private Sector Firms, 2001 /
▼d U.S. Department of Labor Bureau of Labor Statistics;
▼e U.S. Department of Health and Human Services. |
| 260 | |
▼a United States:
▼b NIOSH,
▼c 2003 |
| 300 | |
▼a 273p ,
▼c 28cm+
▼e CD 1매. |
| 710 | |
▼a U.S. Department of Health and Human Services |