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经营范围
发明名称
Apparatus for electrically charging particles suspended in an air current by means of radioactive preparations
摘要
申请公布号
US2939006(A)
申请公布日期
1960.05.31
申请号
US19570636754
申请日期
1957.01.28
申请人
G. A. MESSEN-JASCHIN
发明人
OSWALD KARL
分类号
B01D49/00
主分类号
B01D49/00
代理机构
代理人
主权项
地址
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