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发明名称
摘要
申请公布号
JPS5677164(U)
申请公布日期
1981.06.23
申请号
JP19790158326U
申请日期
1979.11.15
申请人
发明人
分类号
H04M1/21;(IPC1-7):H04M1/21
主分类号
H04M1/21
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代理人
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地址
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