Tubbing, tubbing ring and tunnel works
A Standard patent application filed on 15 June 2002 credited to Neumann, Dieter
;
Hicking, Wolfgang
;
Schumacher, Uwe
;
Dahl, Johannes
Details
Application number :
2002321063
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Tubbing, tubbing ring and tunnel works
Inventor :
Neumann, Dieter
;
Hicking, Wolfgang
;
Schumacher, Uwe
;
Dahl, Johannes