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发明名称
DC POWER UNIT
摘要
申请公布号
JPH04141711(A)
申请公布日期
1992.05.15
申请号
JP19900263853
申请日期
1990.10.03
申请人
TOHOKU RICOH CO LTD;RICOH RES INST OF GEN ELECTRON
发明人
SUGAI KEIICHI;KAMATA HISAHIRO
分类号
G05F1/70;H02M3/28
主分类号
G05F1/70
代理机构
代理人
主权项
地址
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