Device for alternately controlling two cooperating valves, especially safety valves on pressure vessels
A Standard patent application filed on 27 January 1992 credited to Seborn, Bo
Details
Application number :
12047
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Device for alternately controlling two cooperating valves, especially safety valves on pressure vessels