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发明名称
LIGHT SHIELD DEVICE
摘要
申请公布号
JPH04140790(A)
申请公布日期
1992.05.14
申请号
JP19900263124
申请日期
1990.10.02
申请人
SONY CORP
发明人
MATSUURA KATSUJI;USUI HIROBUMI
分类号
G09G3/18;G09F9/00;G09G5/00;H04N5/72
主分类号
G09G3/18
代理机构
代理人
主权项
地址
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