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发明名称
건식 온수온돌 기공방법
摘要
내용 없음
申请公布号
KR850008402(A)
申请公布日期
1985.12.16
申请号
KR19840003019
申请日期
1984.05.31
申请人
정병강
发明人
정병강
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主分类号
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