Arrangement for draining liquid collecting on a ground surface
A Standard patent application filed on 26 September 1988 credited to Galvanetto, Francois
;
Spiess, Hansruedi
Details
Application number :
22830
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Arrangement for draining liquid collecting on a ground surface