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发明名称
VENTILATION EQUIPMENT FOR DUCT
摘要
申请公布号
JPS5371306(A)
申请公布日期
1978.06.24
申请号
JP19760145605
申请日期
1976.12.06
申请人
HITACHI LTD
发明人
SHIRONAGA HIDEO
分类号
F04D29/70
主分类号
F04D29/70
代理机构
代理人
主权项
地址
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