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发明名称
COAL TREATING APPARATUS
摘要
申请公布号
CA348307(A)
申请公布日期
1935.02.19
申请号
CAD348307
申请日期
申请人
THE COAL PROCESSING COMPANY
发明人
LAWRENCE P. CRECELIUS
分类号
主分类号
代理机构
代理人
主权项
地址
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