Fixture apparatus with combined shut-off valve and check valve for a hot water heater of the compressor type
A Standard patent application filed on 22 September 1989 credited to Braathen, Thor Frolich
Details
Application number :
43002
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Fixture apparatus with combined shut-off valve and check valve for a hot water heater of the compressor type