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切实执行现行国家有关防火规范 ,防火软风管的研制标准 :执行华北东北软风管产品技术标准 ,坚持防火部门的监督和执法
Effective implementation of the current national fire safety standards, fire protection soft duct standards: the implementation of North China soft duct product technical standards, adhere to the supervision and enforcement of fire protection departments