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发明名称
摘要
申请公布号
JPS4741849(Y1)
申请公布日期
1972.12.18
申请号
JP19690009682U
申请日期
1969.02.04
申请人
发明人
分类号
H01C10/20;H04N5/222;(IPC1-7):H04N5/22
主分类号
H01C10/20
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代理人
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