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Walther Bauphysik AG/SIA
Building physics
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Energy
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Building physics
Acoustics
Energy
Construction consulting
Noise protection
Analyses
Expertise
032 329 33 20 *
032 329 33 21 *
wbag.biel@bluewin.ch *
https://www.walther-bauphysik.ch
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Walther Licht- und Tontechnik AG
Lighting
Audiovisual installations
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Video
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Light
Lighting
Audiovisual installations
Acoustics
Video
Renting
Special-event equipment
Light
032 341 29 29 *
032 341 29 30 *
info@walther-ag.ch *
http://www.walther-ag.ch
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