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   BircherAushub Tiefbau                                                   

  Riedmattächer 6                                         

   5623 Boswil AG                                              

   Tel: 056/666 30 78    

   Fax:056/666 38 25

   Nat:079/404 65 08

   Mail:  bircher.tiefbau@bluewin.ch