Improvements to devices for controlling and regulating the gas supply to the burner of a boiler or similar
A Standard patent application filed on 15 November 1989 credited to Martel, Bernard
;
Le Mer, Joseph
Details
Application number :
44645
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Improvements to devices for controlling and regulating the gas supply to the burner of a boiler or similar