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经营范围
发明名称
Spray draft unit for humidifying and temperature control apparatus
摘要
申请公布号
US2217130(A)
申请公布日期
1940.10.08
申请号
US19390272706
申请日期
1939.05.09
申请人
MARION NIEHART WILLIAM
发明人
NIEHART WILLIAM MARION
分类号
F24F3/14
主分类号
F24F3/14
代理机构
代理人
主权项
地址
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