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发明名称
摘要
申请公布号
JPH02111946(U)
申请公布日期
1990.09.07
申请号
JP19890019327U
申请日期
1989.02.21
申请人
发明人
分类号
H04N5/14;H04B1/18;H04N5/40;H04N5/455;(IPC1-7):H04B1/18
主分类号
H04N5/14
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