| 000 | 00356nam a2200085 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIEC: 61779-4, Ed.1-1998; Electrical apparatus for the detection and measurement of flammable gases- Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% lower explosive limit. | ||
| 100 | _aI.E.C. | ||
| 250 | _a1st | ||
| 260 |
_aGeneva _bIEC _c1998 |
||
| 300 | _a7 | ||
| 999 |
_c37252 _d37252 |
||