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经营范围
发明名称
Electrical precipitation
摘要
申请公布号
US2199390(A)
申请公布日期
1940.05.07
申请号
US19370176116
申请日期
1937.11.23
申请人
INTERNATIONAL PRECIPITATION COMPANY
发明人
ANDERSON EVALD
分类号
B03C3/12
主分类号
B03C3/12
代理机构
代理人
主权项
地址
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