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<font face="Arial">Thanks to everyone for your very fast answers.
Attached You will see some results</font><br>
<pre class="moz-signature" cols="72">--
Burkard Rüger
Fercherstr. 18
D 12629 Berlin
(+49) 030..303.42.100
(+49) 0163..72.13.124
Bauingenieur
Lehmbauer
Strohballenbauer</pre>
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