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QSB Qualitäts-Sicherung am Bau GmbH
Seestrasse 106,
8805
Richterswil
(
Zürich
)
Switzerland
Tel
Zürich:
Security systems
Planning
consulting
Construction consulting
Switzerland:
Security systems
Planning
consulting
Construction consulting
OrtX GmbH
Hotzestrasse 6,
8805
Richterswil
(
Zürich
)
Switzerland
Tel
Zürich:
Construction consulting
Consulting
In-building service
Switzerland:
Construction consulting
Consulting
In-building service