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发明名称
摘要
申请公布号
JPS54164555(U)
申请公布日期
1979.11.17
申请号
JP19780062921U
申请日期
1978.05.11
申请人
发明人
分类号
G03B27/54;H04N1/04;(IPC1-7):G03B27/54;F21S3/14
主分类号
G03B27/54
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代理人
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