GA 30.4-2008.Requirements and test methods of water supply fixed equipment used for fire protection-Part 4:The replacement of water by compress gas water supply equipment used for fire protction.GA 30.4规定了气体顶压消防给水设备的术语和定义、分类、参数和型号、要求、试验方法、检验规则、标志等。
GA 30.4适用于气体项压消防给水设备(以下简称设备)。...................
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