By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network
A Standard patent application filed on 04 December 1992 credited to Gazzoni, Adamo
Details
Application number :
29911
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network