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ISO 21927-2:2006
M00000256
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ISO 21927-2:2006 Smoke and heat control systems - Part 2: Specification for natural smoke and heat exhaust ventilators
standard by International Organization for Standardization, 11/15/2006
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ISO 21927-2:2006 specifies requirements and gives test methods for natural smoke- and heat-exhaust ventilators that are intended to be installed in a roof and/or wall as a component of a natural smoke- and heat-exhaust system.