CN110043542A
|
|
A kind of underwater valve body lid stud exclusion seal structure
|
CN110005868A
|
|
A kind of underwater ball-valve valve rod combined sealing structure
|
CN109488784A
|
|
A kind of ball valve simulation trial-production device
|
CN109458469A
|
|
A kind of carbon graphite sealing structure of ball seat
|
CN109458491A
|
|
A kind of removable valve holder structure of high temperature Double-disc type check valve
|
CN104483188A
|
|
Pressure test tool for sealing pressure vessel welding grooves
|
CN104500737A
|
|
Spring type energy storing metal sealing ring
|
CN104526542A
|
|
Double-shaft rotating ball body seal grinding tool and method
|
CN104493298A
|
|
Rotary-type part hole chamfer processing equipment and rotary-type part hole chamfer processing method
|
CN104493605A
|
|
V-block tool allowing height adjustment for workpieces
|
CN105710392A
|
|
Machining process for annular thin-wall part and tool thereof
|
CN103867729A
|
|
Labyrinth type minimum flow valve
|