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Service and repair work
Electrical installations for new buildings and conversions
Car charging stations, also with load management and billing (certified Ferratec partner)
House distributions
House and building technology (KNX)
House and building technology (digital current)
Universal building wiring
Correction of defects after periodic inspections
Telephone systems (PBX)
Telecommunication installations
Lighting
Planning and consulting in the field of electrical installations
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ZWIWO AG
Wieshofstrasse 36 8408 Winterthur
Harry Wolfensberger
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ZWIWO AG