IEC 79-20 : Electrical apparatus for explosive gas atmospheres : Part 20 : Data for flammable gases and vapours, relating to the use of electrical apparatus
International Electrotechnical Commission
Bok Engelsk 1996
| Utgitt | Geneve : IEC , 1996
|
|---|---|
| Omfang | 47 s. : tab.
|
| Emner | |
| Dewey |
