Ralph Christen

Active
Location iconNationality: Switzerland
Location iconResidence: Basel
Location iconPlace of origin: Andermatt

Current Positions

City iconStierli + Ruggli Ingenieure + Raumplaner AGActive
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Position: member of the board
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Authority: individual signing authority
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City iconGraf & Christen AGActive
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Position: chairperson of the board
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Authority: joint signing authority (any two to sign)
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SOGC Notifications
No.Journal No.Journal dateSOGC datePage / ID
17782017-02-022017-02-073331473
225122013-06-032013-06-067217070
357972008-11-172008-11-214743600