Downloads
Certificate of Exemption
(PDF 460 KB – click on thumbnail to enlarge image)
BBR publications in the trade press
„Camera-based inspections in well building“
(Germany only)
Article March 2007 in „bbr“.
You can download the article as pdf file by clicking on the adjoining picture (2.4 MB).
„Suspensions, insertion methods and quality controls“
(German only)
Article April 2004 in „bbr“.
You can download the article as pdf file by clicking on the adjoining picture (1.8 MB).
„Remediation of a tertiary deep well by lowering blocking pipes“
(German only)
Article June 1997 in „bbr“
You can download the article as pdf file by clicking on the adjoining picture (2.0 MB).
„Sealings in well building“
(German only)
Article February 1995 in „bbr“
You can download the article as pdf file by clicking on the adjoining picture (2.8 MB).