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发明名称
COAL HYDROGENATION CATALYST RECYCLE
摘要
申请公布号
KR1019800001247(B1)
申请公布日期
1980.10.25
申请号
KR1019780000969
申请日期
1978.04.06
申请人
发明人
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主分类号
代理机构
代理人
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