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<http://dbkwik.webdatacommons.org/resource/ElwZJPPQ_1QBQNqurGbLOw==>	<http://www.w3.org/2000/01/rdf-schema#label>	"What was gunpowder used for in ancient China"@en .
<http://dbkwik.webdatacommons.org/resource/ElwZJPPQ_1QBQNqurGbLOw==>	<http://purl.org/dc/terms/subject>	<http://dbkwik.webdatacommons.org/resource/8JUmALkNtpLA3vocp2mV3Q==> .