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Bertschinger
route de l Ardévaz 193,
1911
Ovronnaz
(
Wallis
)
Switzerland
Tel
Ovronnaz:
Bertschinger
Switzerland:
Bertschinger
Walo Bertschinger SA Romandie
route de Riddes 44,
1950
Sion
(
Wallis
)
Switzerland
Tel
Wallis:
Construction and civil engineering
Seals and insulation
Switzerland:
Construction and civil engineering
Seals and insulation