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发明名称
Ventilating device
摘要
申请公布号
US2189008(A)
申请公布日期
1940.02.06
申请号
US19370157842
申请日期
1937.08.07
申请人
KURTH FRANZ J
发明人
KURTH FRANZ J.
分类号
F21V21/04;F21V33/00;F24F7/02;F24F7/06;F24F13/078
主分类号
F21V21/04
代理机构
代理人
主权项
地址
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