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经营范围
发明名称
VENTILATING FAN
摘要
申请公布号
JPS5493844(A)
申请公布日期
1979.07.25
申请号
JP19780000140
申请日期
1978.01.06
申请人
HITACHI LTD
发明人
KAMATA SAKAE
分类号
F04D25/12;F24F7/00;F24F7/013
主分类号
F04D25/12
代理机构
代理人
主权项
地址
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