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经营范围
发明名称
Electrical precipitator
摘要
申请公布号
US2349550(A)
申请公布日期
1944.05.23
申请号
US19420462605
申请日期
1942.10.19
申请人
RESEARCH CORPORATION
发明人
HEDBERG CARL W. J.
分类号
B03C3/70
主分类号
B03C3/70
代理机构
代理人
主权项
地址
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