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发明名称
LIGHT EMITTING ELEMENT
摘要
申请公布号
JPH04123792(A)
申请公布日期
1992.04.23
申请号
JP19900241186
申请日期
1990.09.13
申请人
RICOH CO LTD
发明人
DEGUCHI KOJI;OTA HIDEKAZU;IDE YUKIO;FUJIMURA ITARU
分类号
H05B33/12
主分类号
H05B33/12
代理机构
代理人
主权项
地址
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