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发明名称
摘要
申请公布号
JPS571930(B2)
申请公布日期
1982.01.13
申请号
JP19730127528
申请日期
1973.11.12
申请人
发明人
分类号
H04S7/00;H03G1/02;H03J1/00;H03J9/00;H04Q9/10;H04R5/00
主分类号
H04S7/00
代理机构
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