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经营范围
发明名称
PRODUCTION OF COAL DIGESTS
摘要
申请公布号
GB1492739(A)
申请公布日期
1977.11.23
申请号
GB19730057609
申请日期
1973.12.12
申请人
COAL IND LTD
发明人
分类号
C10G1/04;(IPC1-7):C10G1/04;B01D29/00
主分类号
C10G1/04
代理机构
代理人
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