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经营范围
发明名称
Method for purifying materials
摘要
申请公布号
US3019092(A)
申请公布日期
1962.01.30
申请号
US19580781720
申请日期
1958.12.19
申请人
RADIO CORPORATION OF AMERICA
发明人
ROSI FRED D.;WEISBERG LEONARD R.
分类号
B01D7/00
主分类号
B01D7/00
代理机构
代理人
主权项
地址
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