Fire soft materials received by the National Fire Protection Center for Quality Supervision, Inspection and check up (a level).
消防软接经国家防火建筑材料质量监督检验中心检验合格达(A级)。
Fire soft materials received by the National Fire Protection Center for Quality Supervision, Inspection and check up (a level).
消防软接经国家防火建筑材料质量监督检验中心检验合格达(A级)。
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