CN112049956A
|
|
Angle type duplex ball valve for nuclear submarine and use method thereof
|
CN112049957A
|
|
Ultralow-temperature upper-mounted inclined fixed ball valve capable of resisting burning and rapid assembly method thereof
|
CN111998090A
|
|
Integrated internal bypass high-pressure low-torque opening and closing ball valve and installation method thereof
|
CN111173950A
|
|
Double-valve-core valve capable of improving sealing effect
|
CN111089204A
|
|
Diversion type high-pressure control valve
|
CN111203704A
|
|
Valve composite sealing device used in multiple environments
|
CN111173943A
|
|
Dual-control efficient check valve
|
CN111157191A
|
|
Control valve multinomial check out test set
|
CN110735126A
|
|
method for preparing tungsten carbide transition layer-silicon doped diamond composite coating on steel substrate
|
CN110725969A
|
|
Low-torque spherical sealing wedge valve
|
CN108397562A
|
|
A kind of High Pressure Difference intelligent regulating valve
|
CN108413046A
|
|
A kind of full-bore shut-off valve
|
CN108413061A
|
|
A kind of inflation valve seat
|