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经营范围
发明名称
Portable water purifier
摘要
申请公布号
US2604991(A)
申请公布日期
1952.07.29
申请号
US19500199276
申请日期
1950.12.05
申请人
ROGERS LODA W
发明人
ROGERS LODA W.
分类号
C02F1/28;C02F1/42;C02F9/00
主分类号
C02F1/28
代理机构
代理人
主权项
地址
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