Karl-Wilhelm Henn KG
The engineer Karl-Wilhelm Henn founded the company in February 1932 as "Karl-Wilhelm Henn Ingenieurbüro" with business premises in the Klockmannhaus, Kirchenallee, near the main railway station in the heart of Hamburg.
Introduction
The engineer Karl-Wilhelm Henn founded the company in February 1932 as "Karl-Wilhelm Henn Ingenieurbüro" with business premises in the Klockmannhaus, Kirchenallee, near the main railway station in the heart of Hamburg.

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