NFPA 90B 暖气和空调系统安装标准
日期:2012-02-09 14:22
eating and air conditioning, including filters, ducts, and related equipment to protect lives and property from fire, smoke, and gases resulting from fire or conditions having manifestations similar to fire.
This 2012 edition
References the latest editions of ASTM, NAIMA, SMACNA, and ANSU/UL Standards.
Includes a new test method and criteria for vibration isolating connectors.
Don't fall behind. AHJs, architects, contractors, and mechanical and fire protection engineers depend on the latest N
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