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经营范围
发明名称
ROTARY LOUVER FOR VENTILATOR
摘要
申请公布号
JPS5569792(A)
申请公布日期
1980.05.26
申请号
JP19780143291
申请日期
1978.11.22
申请人
HITACHI LTD
发明人
TATSUMI AKIRA;KINOSHITA HIROSHI
分类号
F04D25/10;F04D25/08
主分类号
F04D25/10
代理机构
代理人
主权项
地址
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