|
CN112060646A
|
|
Manufacturing device for coating gasket
|
|
CN111878576A
|
|
Piston sealing device for cement concrete
|
|
CN111878578A
|
|
Ultra-low temperature sealing device with V-shaped ring
|
|
CN111609232A
|
|
Sealing structure of flange
|
|
CN110671500A
|
|
Plunger fracturing pump sealing washer
|
|
CN110594413A
|
|
Fracturing pump combined sealing ring
|
|
US2020378533A1
|
|
Slip sealing structure
|
|
CN110107247A
|
|
A kind of slip seals structure
|
|
CN109134987A
|
|
A kind of canvas filler rubber V-type circle and preparation method thereof for fracturing pump
|
|
CN108825925A
|
|
A kind of self-locking plug for seal device
|
|
CN106188996A
|
|
A kind of antiknock rubber o-ring material and preparation method thereof
|
