ASTM E 119a 建筑结构和材料耐火性测试的标准试验方法.
ASTM E 119a Standard Test Methods for Fire Tests of Building Construction and Materials
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ASTM E 119a 建筑结构和材料耐火性测试的标准试验方法.
ASTM E 119a Standard Test Methods for Fire Tests of Building Construction and Materials
中国防火网免费咨询电话:400-666-7290
网址:www.firete.com
邮箱:info@firete.com