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This standard specifies the classification of cone seal welded bulkhead straight pipe joints. JB/T 6384.2-1992 Cone seal welded bu
This standard specifies the classification of cone seal welded bulkhead right angle pipe joints. JB/T 6384.1-1992 Cone seal welded
This standard specifies the classification of cone seal welded three-way pipe joints. JB/T 6383.3-1992 Cone seal welded three-way
This standard specifies the classification of cone seal welded right angle pipe joints. JB/T 6383.2-1992 Cone seal welded right an
This standard specifies the classification of cone seal and welded straight pipe joints. JB/T 6383.1-1992 Cone seal and welded str
This standard specifies the classification of cone-seal welded cone thread 90° elbow pipe fittings. JB/T 6382.4-1992 Cone-seal wel
This standard specifies the classification of cone seal welded conical pipe thread 90° elbow pipe joints. JB/T 6382.3-1992 Cone se
This standard specifies the classification of cone seal welded cylindrical pipe thread 90° elbow joints. JB/T 6382.2-1992 cone sea