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<dcvalue element="contributor" qualifier="author">김구대</dcvalue>
<dcvalue element="contributor" qualifier="author">박노경</dcvalue>
<dcvalue element="date" qualifier="accessioned">2024-01-12T13:02:42Z</dcvalue>
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<dcvalue element="date" qualifier="issued">2006-12-26</dcvalue>
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<dcvalue element="title" qualifier="none">개질유황과&#x20;폐자원을&#x20;이용한&#x20;보수보강용&#x20;개질유황&#x20;모르타르&#x20;및&#x20;그&#x20;제조방법</dcvalue>
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<dcvalue element="date" qualifier="registration">2006-12-26</dcvalue>
<dcvalue element="date" qualifier="application">2005-09-15</dcvalue>
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<dcvalue element="type" qualifier="iprs">특허</dcvalue>
<dcvalue element="contributor" qualifier="assignee">한국과학기술연구원</dcvalue>
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