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经营范围
发明名称
SWITCHING POWER SUPPLY
摘要
申请公布号
JPH02211056(A)
申请公布日期
1990.08.22
申请号
JP19890030166
申请日期
1989.02.09
申请人
HITACHI METALS LTD
发明人
OGAWA TSUGIO
分类号
H02M3/28
主分类号
H02M3/28
代理机构
代理人
主权项
地址
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