World War I defensive lines

http://dbpedia.org/resource/Category:World_War_I_defensive_lines an entity of type: Concept

rdf:langString World War I defensive lines
rdf:langString World War I defensive lines
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xsd:integer 945110779
skos:Concept
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<http://dbpedia.org/resource/Category:20th-century_fortifications>
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<http://en.wikipedia.org/wiki/Category:World_War_I_defensive_lines?oldid=945110779&ns=14>

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