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发明名称
석탄의 질 개량방법
摘要
내용 없음.
申请公布号
KR840007894(A)
申请公布日期
1984.12.11
申请号
KR19840000693
申请日期
1984.02.14
申请人
null, null
发明人
구보다 가쓰죠(외 2)
分类号
C10F5/00;C10L5/08;C10L9/08
主分类号
C10F5/00
代理机构
代理人
主权项
地址
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