CN111895120A
|
|
High-pressure-resistant and leak-proof plug valve for well drilling
|
CN111878599A
|
|
Low-resistance low-loss lifting plug valve
|
CN111895122A
|
|
Sealing structure of plug valve
|
CN110682258A
|
|
Novel plug valve assembling table
|
CN110701344A
|
|
Novel multi-way plug valve
|
CN110631826A
|
|
Plug valve durability testing device
|
CN109630711A
|
|
The good plunger valve of a kind of pair of stick harness protecting effect
|
CN109854810A
|
|
A kind of valve with defrosting function
|
CN109667942A
|
|
A kind of manually-operated gate being convenient for opening and closing
|
CN108490827A
|
|
A kind of method of the automatic monitoring analysis fluid of electrically operated valve
|
CN107524822A
|
|
A kind of chemical liquid Material control valve of adjustable flow velocity
|
CN107524826A
|
|
A kind of high life antispray electrical ball valve
|
CN105003690A
|
|
Multi-way plug valve
|
CN105020431A
|
|
Three-piece type ball valve
|
CN105020422A
|
|
Novel sluice valve
|
CN105065699A
|
|
Gate valve
|
CN104776246A
|
|
High-strength cock valve
|
CN104720708A
|
|
Flushing device gradually expanding in peripheral direction
|
CN104728475A
|
|
Quantitative hot melting plastic injection valve
|
CN105276339A
|
|
Novel thermal insulation jacket plug valve
|