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发明名称
摘要
申请公布号
JPS5440881(B2)
申请公布日期
1979.12.05
申请号
JP19760153260
申请日期
1976.12.20
申请人
发明人
分类号
H03D1/22;H04B1/16;H04H20/88;H04H40/72
主分类号
H03D1/22
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代理人
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