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发明名称
COMPOSITION FOR IMPROVING THE COMBUSTION OF COAL
摘要
申请公布号
CA323369(A)
申请公布日期
1932.06.21
申请号
CAD323369
申请日期
申请人
FREDERICK WILLIAM BROWN
发明人
FREDERICK WILLIAM BROWN
分类号
主分类号
代理机构
代理人
主权项
地址
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