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- HB 4-25-2002 扩口式不对称拧入式三通管接头
- HB 4-25-2002
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- HB 4-24-2002 扩口式拧入式三通管接头
- HB 4-24-2002
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- HB 4-24-1999 拧入式三通管接头
- HB 4-24-1999
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- HB 4-24-1983 拧入式三通管接头
- HB 4-24-1983
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- HB 4-30-1983 拧入式四通管接头
- HB 4-30-1983
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- HB 4-16-1999 拧入式直角管接头
- HB 4-16-1999
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- HB 4-16-1983 拧入式直角管接头
- HB 4-16-1983
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- HB 4-16-2002 扩口式拧入式直角管接头
- HB 4-16-2002
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- HB 4-12-1999 拧入式弯管接头
- HB 4-12-1999
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- HB 4-12-2002 扩口式拧入式弯管接头
- HB 4-12-2002