Disconnection-preventing safety device for liquefied gas bottle valves provided with quick-coupling connector for use
A Standard patent application filed on 25 March 1991 credited to Galli, Rosaria
Details
Application number :
73764
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Disconnection-preventing safety device for liquefied gas bottle valves provided with quick-coupling connector for use