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发明名称
TRANSMISSION CIRCUIT FOR DIAL SIGNAL
摘要
申请公布号
JPH02162951(A)
申请公布日期
1990.06.22
申请号
JP19880318278
申请日期
1988.12.16
申请人
SONY CORP
发明人
KUNIHIRO TAKUSHI;YAMAGATA MASATO
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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