Article 11 the fireproof performance of constructional elements and construction materials must conform to the state standards or industrial standards.
第十一条建筑构件和建筑材料的防火性能必须符合国家标准或者行业标准。
2
Fireproof vaults and toxic gas venting systems are not required.
防火地窖和有毒气体的排气系统是不是必需的。
3
Gaolu: ball ball aluminum fire-proof material production and marketing.