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经营范围
发明名称
BENEFICIATION OF COALS
摘要
申请公布号
US3665066(A)
申请公布日期
1972.05.23
申请号
USD3665066
申请日期
1969.11.28
申请人
CANADIAN PATENTS AND DEVELOPMENT LTD.
发明人
CHARLES E. CAPES;ALLAN E. MCILHINNEY;RICHARD D. COLEMAN
分类号
C10L5/06;(IPC1-7):B01J2/14
主分类号
C10L5/06
代理机构
代理人
主权项
地址
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