Contact

Green Building Research & Development GmbH
Oberkasseler Straße 6
D-40545 Düsseldorf
Germany

info[at]greenbuilding-rd.com
+49 (0)211 863 212 97
+49 (0)211 863 212 98

Prof. Dr. Helmut Müller

Prof. Dr.-Ing. Helmut F.O. Müller

helmut.mueller[at]greenbuilding-rd.com

+49 (0)211 863 212 97