BS7157:1989 Method of test for ignitability of fabrics used in the construction of large tented structures.
BS7157:1989 建造大帐篷用纺织物的易燃性试验方法.
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BS7157:1989 Method of test for ignitability of fabrics used in the construction of large tented structures.
BS7157:1989 建造大帐篷用纺织物的易燃性试验方法.
中国防火网全国免费咨询电话:400-666-7290
网址:www.firete.com
邮箱:info@firete.com
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