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发明名称
摘要
申请公布号
JPS4720403(Y1)
申请公布日期
1972.07.08
申请号
JP19680095332U
申请日期
1968.11.01
申请人
发明人
分类号
(IPC1-7):H03J5/30;H01F21/12;H03J5/08;H04N5/44
主分类号
(IPC1-7):H03J5/30
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