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URL title: 避难硐室防爆门
URL paragraphs: 6、安装方便，无需在井下组焊、组装；门框密封平面有专门保护板，以便在制造、运输、安装（混凝土浇灌）时不被刮伤、划伤 避难硐室防爆密闭门参数 序号 规格型号 宽×高 承受压力（Mpa） 1
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