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经营范围
发明名称
SWITCHING POWER SUPPLY CIRCUIT
摘要
申请公布号
JPH02250663(A)
申请公布日期
1990.10.08
申请号
JP19890071385
申请日期
1989.03.23
申请人
NEC CORP
发明人
SATO YUKINORI
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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