MARC 보기
LDR00446namk 00145 k 4500
001000000042215
00520061115133403
008061115s2004 us 000a eng
049 ▼l WM00007122
056 ▼a 530.98
090 ▼a 530.98 ▼b O15p
110 ▼a Occupational Safety and Health Administration.
24510 ▼a Permit-Required Confined Spaces / ▼d Occupational Safety and Health Administration
260 ▼a United States: ▼b OSHA, ▼c 2004
300 ▼a 20p, ▼c 22cm