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发明名称
ELECTRICAL PRECIPITATOR
摘要
申请公布号
CA333947(A)
申请公布日期
1933.07.11
申请号
CAD333947
申请日期
申请人
THE INTERNATIONAL PRECIPITATION COMPANY
发明人
ALFRED W. KNIGHT
分类号
主分类号
代理机构
代理人
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