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经营范围
发明名称
EXTRACTION OF SULFUR COMPOUNDS FROM PULVERIZED COAL
摘要
申请公布号
GB1298175(A)
申请公布日期
1972.11.29
申请号
GB19710023255
申请日期
1971.04.19
申请人
TRW INC.
发明人
分类号
C10L9/02
主分类号
C10L9/02
代理机构
代理人
主权项
地址
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