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UNE-EN 50057:1994
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES. PERFORMANCE REQUIREMENTS FOR GROUP II APPARATUS INDICATING UP TO 100% LOWER EXPLOSIVE LIMIT.
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Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 10/24/1994 |
| Cancellation Date | 11/18/1999 |
| Page Count | 10 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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