UNE-EN 50057:1999
Superseded Standard
Historical

UNE-EN 50057:1999

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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Publisher Asociacion Espanola de Normalizacion y Certificacion (AENOR)
Publication Date 11/18/1999
Cancellation Date 06/30/2003
Page Count 12
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ISBN ---
Weight (in grams) ---
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