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[[:Category:{{{1}}}0s houses in Duisburg|{{{1}}}0s houses in Duisburg]]
Districts and independent cities of North Rhine-Westphalia:

[[Category:{{{1}}}0s houses in Duisburg| {{{1}}}{{{2}}}]] [[Category:Built in Duisburg in {{{1}}}{{{2}}}|*Houses]] [[Category:Houses in North Rhine-Westphalia built in {{{1}}}{{{2}}}|Duisburg]]