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经营范围
发明名称
Fluid cleaner
摘要
申请公布号
US1899993(A)
申请公布日期
1933.03.07
申请号
US19300461906
申请日期
1930.06.18
申请人
SPENCER GEORGE M
发明人
SPENCER GEORGE M.
分类号
B01D46/24;B01D46/30;B01D46/48
主分类号
B01D46/24
代理机构
代理人
主权项
地址
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