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ISO 7240-4:2003
M00000249
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ISO 7240-4:2003 Fire detection and alarm systems -- Part 4: Power supply equipment
standard by International Organization for Standardization, 08/01/2003
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Full Description
ISO 7240-4:2003 specifies requirements, test methods and performance criteria for power supply equipment (p.s.e.) for use in fire detection and alarm systems installed in buildings.