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s+m tiefbau gmbh
frenkendörferstrasse 15
postfach 109
4410 liestal
t 061 901 55 55
info@sm-tiefbau.ch
subsidiary
bättwilerstrasse 80
4108 witterswil
t 079 710 84 97 / f 061 911 09 50
info@sm-tiefbau.ch
managing director construction
michel rudin
t 079 710 84 97
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managing director admin.
marc schäfer
t 079 457 97 36
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owner
max schäfer
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administration
gabriela schäfer
g.schaefer@sm-tiefbau.ch
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