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经营范围
发明名称
Air purification
摘要
申请公布号
US3325973(A)
申请公布日期
1967.06.20
申请号
US19640373178
申请日期
1964.06.08
申请人
THE EVENING NEWS PUBLISHING COMPANY
发明人
ILLINGWORTH ROBERT H.
分类号
B01D46/10
主分类号
B01D46/10
代理机构
代理人
主权项
地址
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