Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Vertical
Inventor
active
Concrete lining of drilled shaft
Construction of a concrete lined chamber
No associations
LandOfFree
Hans Nilberg does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hans Nilberg, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hans Nilberg will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1184307