[HB 4-1984-1983] 金属导管柔性连接[已作废]
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实施时间:2003-02-24
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实施时间:2003-02-24
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实施时间:2003-02-24
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[HB 5693-5696-1983] B型弯管接头[已作废]
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实施时间:2003-02-24
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[HB 5697-5700-1983] C型弯管接头[已作废]
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实施时间:2003-02-24
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[HB 5701-5704-1983] 拧入式弯管接头[已作废]
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实施时间:2003-02-24
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[HB 5705-5708-1983] 直角管接头[已作废]
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实施时间:2003-02-24
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[HB 5709-5712-1983] B型直角管接头[已作废]
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实施时间:2003-02-24
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[HB 5713-5716-1983] A型直角管接头[已作废]
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实施时间:2003-02-24
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[HB 5717-5720-1983] 拧入式直角管接头[已作废]
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实施时间:2003-02-24
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[HB 5721-5724-1983] 三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5725-5728-1983] D型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5729-5732-1983] E型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5733-5736-1983] B型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5737-5740-1983] A型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5769-5772-1983] F型四通管接头[已作废]
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实施时间:2003-02-24
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[HB 5741-5744-1983] 不对称B型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 5745-5748-1983] 不对称A型三通管接头[已作废]
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实施时间:2003-02-24
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[HB 4-55-1999] 钢和铝合金导管的最小弯曲半径[现行]
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实施时间:2003-02-24
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[HB 5749-5752-1983] 拧入式三通管接头[已作废]
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实施时间:2003-02-24
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