|
CN102773598A
|
|
Novel air conditioning pipe aluminum welding process by utilizing copper as welding medium
|
|
CN102513684A
|
|
Special welding fixture for copper aluminum tube and welding method and copper aluminum welded tube utilizing the same
|
|
CN102528255A
|
|
V-shaped face copper and aluminium welding processing technique and welding connector used for power cables
|
|
CN101598251A
|
|
Copper-aluminium joint containing canine-shaped columnar crystal structure and preparation method thereof
|
|
CN101382216A
|
|
Counter bending copper-aluminium tube joint, method for producing same and special core rod
|
|
CN101382215A
|
|
Copper and aluminium connecting tubes with hard sleeve and method for making same
|
|
CN101318255A
|
|
Method of manufacturing inserted aluminum pipe welded joint
|
|
CN101319741A
|
|
Plug-in type copper aluminum pipe welded joint and method of producing the same
|
|
CN1958187A
|
|
Manufacturing installation for thinning and closing in tube wall at copper tube end
|
|
CN1959170A
|
|
Refrigeration pipe composed of copper elbow and U pipe of aluminum, and preparation method
|
|
CN1959172A
|
|
Inner diameter of copper aluminum joint, copper aluminum joint with diameter being equal to inner diameter of aluminum pipe, and preparation method
|
|
CN1959171A
|
|
Welded joint of thin wall copper aluminum pipe with no eutectic structure, and preparation method
|
