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发明名称
Improvements in and relating to the automatic control of the bulk density of particulate coal
摘要
申请公布号
GB620133(A)
申请公布日期
1949.03.21
申请号
GB19460000088
申请日期
1946.01.01
申请人
KOPPERS COMPANY, INC.
发明人
分类号
C10B57/08
主分类号
C10B57/08
代理机构
代理人
主权项
地址
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