-
- HB 4-24-1999 拧入式三通管接头
- HB 4-24-1999
-
- HB 4-24-1983 拧入式三通管接头
- HB 4-24-1983
-
- HB 4-23-2002 扩口式不对称 A 型三通管接头
- HB 4-23-2002
-
- HB 4-23-1999 不对称Ａ型三通管接头
- HB 4-23-1999
-
- HB 4-22-1999 不对称Ｂ型三通管接头
- HB 4-22-1999
-
- HB 4-22-1983 不对称Ｂ型三通管接头
- HB 4-22-1983
-
- HB 4-30-1983 拧入式四通管接头
- HB 4-30-1983
-
- HB 4-29-2002 扩口式 F 型四通管接头
- HB 4-29-2002
-
- HB 4-29-1999 Ｆ型四通管接头
- HB 4-29-1999
-
- HB 4-29-1983 Ｆ型四通管接头
- HB 4-29-1983