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发明名称
Filtering device
摘要
申请公布号
US1828484(A)
申请公布日期
1931.10.20
申请号
US19280248576
申请日期
1928.01.23
申请人
FLORA EDSON BIGELOW
发明人
ZIMMERMAN BENJAMIN FRANKLIN
分类号
B01D35/00
主分类号
B01D35/00
代理机构
代理人
主权项
地址
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