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经营范围
发明名称
COOLING DEVICE
摘要
申请公布号
JPH02304955(A)
申请公布日期
1990.12.18
申请号
JP19890124337
申请日期
1989.05.19
申请人
HITACHI LTD
发明人
MAEDA NAOKI;NAKAMURA YOZO;ASHIWAKE NORIYUKI
分类号
H01L23/473
主分类号
H01L23/473
代理机构
代理人
主权项
地址
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