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发明名称
DIAL SIGNAL CONVERTER
摘要
申请公布号
JPH05268312(A)
申请公布日期
1993.10.15
申请号
JP19920094730
申请日期
1992.03.20
申请人
发明人
分类号
H04M1/26;H04Q1/45;(IPC1-7):H04M1/26
主分类号
H04M1/26
代理机构
代理人
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地址
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