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標準編號 標準中文名稱 標準英文名稱 GB/T12248-1989 蒸汽疏水閥術語 Automatic steam traps—Definition of technical terms GB/T12247-1989 蒸汽疏水閥分類 Automatic steam traps—Classification GB/T12249-1989 蒸汽疏水閥標志 Automatic steam traps—Marking GB/T12712-1991 蒸汽供熱系統(tǒng)凝結水 回收及蒸汽疏水閥技 術管理要求 The requirements for supervision of recovery of conde nsate from steam heating system and technique of auto matic steam traps JB/T53169-1994 蒸汽