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发明名称
TONE DETECTION CIRCUIT
摘要
申请公布号
JPH07154507(A)
申请公布日期
1995.06.16
申请号
JP19930301470
申请日期
1993.12.01
申请人
MURATA MACH LTD
发明人
WAKAMIYA YOSHIHIRO
分类号
H04N1/32;H04M11/00;(IPC1-7):H04M11/00
主分类号
H04N1/32
代理机构
代理人
主权项
地址
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