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经营范围
发明名称
LIGHTING DEVICE
摘要
申请公布号
US5121403(A)
申请公布日期
1992.06.09
申请号
US19910644551
申请日期
1991.01.23
申请人
SUMITOMO METAL MINING CO., LTD.
发明人
SEKINO, TAKIO
分类号
G02B17/00;F21V7/00;F21V7/04;G02B19/00;G02F1/1335;G09F9/00;G09F13/04;H01S3/093
主分类号
G02B17/00
代理机构
代理人
主权项
地址
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