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经营范围
发明名称
Humidifying apparatus
摘要
申请公布号
US1880758(A)
申请公布日期
1932.10.04
申请号
US19310540701
申请日期
1931.05.28
申请人
BROWN GEORGE C
发明人
BROWN GEORGE C.
分类号
F24D19/00
主分类号
F24D19/00
代理机构
代理人
主权项
地址
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