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发明名称
ANNUNCIATOR FOR TELEPHONE LINE BROKEN STATE
摘要
申请公布号
JPH01314056(A)
申请公布日期
1989.12.19
申请号
JP19880144591
申请日期
1988.06.14
申请人
GUNMA SOGO GAADE SYST KK;UCHIUMI MASAO
发明人
UCHIUMI MASAO
分类号
H04M1/24
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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