Electro-thermal setting drive for control and shut-off fittings in heating and air-conditioning installations
A Standard patent application filed on 25 October 1994 credited to Letzel, Helmut
Details
Application number :
81035
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Electro-thermal setting drive for control and shut-off fittings in heating and air-conditioning installations