UL1821消防设备用热塑喷水器的管及其配件

UL 1821：消防设备用热塑喷水器的管及其配件
UL 1821：Standard for Safety for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

UL1821标准摘要
These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service

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 来源：防火网　发布时间：11/4/2013 点击次数：1755