000 | 00308nam a2200085 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIEC: 61241-3, Ed.1-1997; Electrical apparatus for use in the presence of combustible dust- Part 3: Classification of areas where combustible dusts are or may be present. | ||
100 | _aI.E.C. | ||
250 | _a1st | ||
260 |
_aGeneva _bIEC _c1997 |
||
300 | _a41 | ||
999 |
_c37269 _d37269 |