| LDR | 00000cam k2200205 k 4500 | |
|---|---|---|
| 001 | 000000056859 | |
| 005 | 20220331094747 | |
| 008 | 220331s2021 us 000a eng | |
| 049 | ▼l WM00010239 | |
| 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 (2021 Edition) / ▼d National Fire Protection Association |
| 260 | ▼a United States: ▼b NFPA, ▼c 2021 | |
| 300 | ▼a 34 p, ▼c 28 cm | |
| 950 | 0 | ▼a 구입 |