LOW STRESS STEM CONNECTION STRUCTURE FOR A NON-RISING STEM TYPE GATE VALVE
A Standard patent application filed on 21 October 1981 credited to Shelton, William S.
Details
Application number :
78009
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
LOW STRESS STEM CONNECTION STRUCTURE FOR A NON-RISING STEM TYPE GATE VALVE