Invention and Engineering
KEMNA BAU Andreae GmbH & Co. KG is one of the largest German construction companies and the largest street infrastructure provider in Germany with its headquarters inside the country. The company was originally founded under the name of J.Kemna/Breslau and was a Steam engine, steam tractor, locomotive, steam plow, road roller and tractor factory in Wroclaw, part of Germany until 1945.
George Klein (inventor).
GER Class S69.
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