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- HB 0-16-2003 直角减轻孔
- HB 0-16-2003
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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 4-15-1983 Ａ型直角管接头
- HB 4-15-1983
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- HB 4-15-2002 扩口式A型直角管接头
- HB 4-15-2002
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- HB 4-15-1999 Ａ型直角管接头
- HB 4-15-1999
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- HB 4-14-2002 扩口式B型直角管接头
- HB 4-14-2002
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- HB 4-14-1983 Ｂ型直角管接头
- HB 4-14-1983
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- HB 4-14-1999 Ｂ型直角管接头
- HB 4-14-1999