NFPA 90B 暖气和空调系统安装标准
日期:2012-02-09 14:22
NFPA 90B Standard for the Installation of Warm Air Heating and Air-Conditioning Systems
NFPA 90B 暖气和空调系统安装标准
1.1* Scope. This standard shall cover construction, installation, operation, and maintenance of systems for warm air heating and air conditioning, including filters, ducts, and related equipment to protect life and property from fire, smoke, and gases resulting from fire or from conditions having manifestations similar to fire.
Protect lives and property from fire, smoke and
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