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- HB 4-28-1999 Ｅ型四通管接头
- HB 4-28-1999
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- HB 4-28-1983 Ｅ型四通管接头
- HB 4-28-1983
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- HB 4-28-2002 扩口式E型四通管接头
- HB 4-28-2002
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- HB 4-27-1983 Ｄ型四通管接头
- HB 4-27-1983
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- HB 4-27-2002 扩口式D型四通管接头
- HB 4-27-2002
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- HB 4-27-1999 Ｄ型四通管接头
- HB 4-27-1999
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- HB 4-26-2002 扩口式四通管接头
- HB 4-26-2002
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- HB 4-26-1999 四通管接头
- HB 4-26-1999
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- HB 4-22-2002 扩口式不对称B型三通管接头
- HB 4-22-2002
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- HB 4-21-1983 Ａ型三通管接头
- HB 4-21-1983