P
PatentIndex
Search
Landscape
Sign in
Inventor
KUEHNER ULRICH
DE
2 patents
Patents
2 patents
US5820303A
Oct 13, 1998
Excavation pit lining and method for its production
DYCKERHOFF AG
7 citations
68
US6131344A
Oct 17, 2000
Mixed construction material for slit wall of excavation pit lining
DYCKERHOFF AG
4 citations
57