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发明名称
摘要
申请公布号
JPS52168520(U)
申请公布日期
1977.12.21
申请号
JP19760077342U
申请日期
1976.06.14
申请人
发明人
分类号
H04N5/225;G03B17/56;H04N5/232;(IPC1-7):H04N5/24
主分类号
H04N5/225
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代理人
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