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发明名称
摘要
申请公布号
JPH044449(U)
申请公布日期
1992.01.16
申请号
JP19900045743U
申请日期
1990.04.26
申请人
发明人
分类号
H04N1/00;H04L12/54;H04L12/58;(IPC1-7):H04L12/54;H04L11/20
主分类号
H04N1/00
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