| LDR | | 00645camk 00169 k 4500 |
| 001 | | 000000032451 |
| 005 | | 20020312133403 |
| 008 | | 020312s1997 us 000a eng |
| 049 | |
▼l WM00005063 |
| 056 | |
▼a 530.029 |
| 090 | |
▼a 530.029
▼b N277n |
| 110 | |
▼a National Fire Protection Association. |
| 245 | 10 |
▼a NFPA 499 Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (1997 Edition) /
▼d NFPA |
| 260 | |
▼a United States:
▼b National Fire Protection Association,
▼c 1997 |
| 300 | |
▼a 22p ,
▼c 28cm |
| 504 | |
▼a index 수록 |
| 950 | 0 |
▼a 구입
▼b (\60000) |