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发明名称
연탄재를 이용한 건자재의 제조방법
摘要
<p>내용 없음</p>
申请公布号
KR840004043(A)
申请公布日期
1984.10.06
申请号
KR19830000836
申请日期
1983.03.02
申请人
서승석 (외 1)
发明人
서승석 (외 1)
分类号
主分类号
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代理人
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