Element for renovating ducts, drainage pipes, garbage dumping pipes and the like
A Standard patent application filed on 27 October 1994 credited to Haas, Helmar
Details
Application number :
79922
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Element for renovating ducts, drainage pipes, garbage dumping pipes and the like