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发明名称
PROCESS OF PRODUCING DEHYDRATED AND CHARRED LUMP LIGNITE
摘要
申请公布号
CA303967(A)
申请公布日期
1930.09.16
申请号
CAD303967
申请日期
申请人
EUGENE P. SCHOCH
发明人
EUGENE P. SCHOCH
分类号
主分类号
代理机构
代理人
主权项
地址
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