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发明名称
IMPROVEMENTS IN AND RELATING TO A PROCESS FOR IMPROVING COAL
摘要
申请公布号
IE780143(L)
申请公布日期
1978.07.21
申请号
IE19780000143
申请日期
1978.01.20
申请人
HAZEN RESEARCH INC.
发明人
分类号
C10L9/00;(IPC1-7):C10L9/00
主分类号
C10L9/00
代理机构
代理人
主权项
地址
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