| LDR | 00417namk 00133 k 4500 | |
|---|---|---|
| 001 | 000000024014 | |
| 005 | 19970704133403 | |
| 008 | 970704s1995 hk 000a eng | |
| 049 | ▼l WM00003722 | |
| 090 | ▼a 530.982 ▼b L125c | |
| 110 | ▼a Labour department. | |
| 245 | 10 | ▼a Code of practice for protection of tunnel workers from silicosis / ▼d Labour department |
| 260 | ▼a 홍콩: ▼b Occupational health division, ▼c 1995 | |
| 300 | ▼a 24p, ▼c 21cm |