|
CN111562069A
|
|
Differential pressure leak detection device
|
|
CN107142369A
|
|
thin-wall corrugated tube quick annealing method
|
|
CN105177232A
|
|
Rapid electric heating color-loss-free annealing method for metal tube
|
|
CN104942040A
|
|
Extrusion processing process for special-shaped T-pipe
|
|
CN104874638A
|
|
Manufacturing process for equal wall thickness variable-diameter copper pipe
|
|
CN104455762A
|
|
Combined copper aluminum tube and manufacturing method thereof
|
|
CN103846537A
|
|
Welding method of special metal pipes
|
|
CN103742730A
|
|
Diameter-expanding different-diameter corrugated connecting pipe and production method thereof
|
|
CN102748544A
|
|
Copper-aluminum connecting tube and production method
|
|
WO2013097206A1
|
|
Specialized clamp for welding copper/aluminium tube, and welding method using clamp and welded copper/aluminium tube
|
|
CN102672326A
|
|
Method for manufacturing copper-aluminum welded joint of capillary tube and copper end sleeved aluminum capillary tube
|
|
CN1676980A
|
|
Copper-aluminium combined pipeline for refrigerating system and its preparing method
|
