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GB/T 13813-2023
Safety Test method and judgment rules for friction sparks of metal materials used in coal mines
煤矿用金属材料摩擦火花安全性试验方法和判定规则 - 英文版
GB/T 13813-2008
Testing method and judging rule of safety to friction spark of metallic material for coal mine
煤矿用金属材料摩擦火花安全性试验方法和判定规则 - 英文版
GB/T 20061-2006
Test method and judgment of anti-deflagration property of permissible explosive
煤矿许用炸药抗爆燃性能测试方法及判定 - 英文版
GB 18097-2000
Test method and ajudgment of safety of permissible explosive in inflammable gas
煤矿许用炸药可燃气安全度试验方法及判定 - 英文版

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