A method and a covering unit for counteracting the penetration of liquid into a mass of earth
A Standard patent application filed on 01 November 1999 credited to Melin, Sigurd
Details
Application number :
14325
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A method and a covering unit for counteracting the penetration of liquid into a mass of earth