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发明名称
Filtering device
摘要
申请公布号
US2521107(A)
申请公布日期
1950.09.05
申请号
US19490070537
申请日期
1949.01.12
申请人
WILEY ROBERT D
发明人
WILEY ROBERT D.
分类号
B01D21/00;B01D21/26;B01D27/00;B01D29/00;B01D29/11;B01D35/30;B01D46/00;B01D46/24;F16L55/24
主分类号
B01D21/00
代理机构
代理人
主权项
地址
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