Adjustable discharge valve for container/storage tanks/silos for pulverulent materials
A Standard patent application filed on 26 January 1990 credited to Michaelsen, T. Marthon
Details
Application number :
50252
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Adjustable discharge valve for container/storage tanks/silos for pulverulent materials