| 000 | 00370nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIEC: 79 - 12 - 1978; Electrical apparatus for explosive gas atmospheres Part 12 Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents | ||
| 700 | _aInternational Electrotechnical Commission | ||
| 260 |
_aGeneva _bIEC _c1978 |
||
| 300 | _a18p | ||
| 999 |
_c34529 _d34529 |
||