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Rudolf Schwenger
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Die betriebliche socialpolitik im Ruhrkohlenbergbau
Rudolf Schwenger · Duncker & Humblot
244 sayfa · 1932
Coal miners / Coal mines and mining / Dwellings / Personnel management / Safety measures
Die betriebliche sozialpolitik in der westdeutschen grosseisenindustrie
Rudolf Schwenger · Duncker & Humblot
182 sayfa · 1934
Iron industry and trade / Personnel management / Welfare institutions for laborers / Industrial welfare