
ct
Bauberatung + Bauökonomie AG
Neumarkt 28, 8001 Zürich
Telefon +41 (0)44 269 50 60,
Fax +41 (0)44 269 50 62
E-Mail tschannen@ct-bau.ch
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update: 1. 3. 2010
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last update: 1. 2. 2010
first edition: 11.11.1999,
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