NFC 23 539 : 1981
Superseded
Superseded
View Superseded by
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSICALLY SAFE ELECTRICAL SYSTEMS "I"
Published date
01-12-2013
Publisher
Superseded date
07-01-2005
Superseded by
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Summarise this standard
AI-generated summary
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 50039:1980 | Identical |
| BS 5501-9:1982 | Identical |
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