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经营范围
发明名称
VOICE REPRODUCING METHOD
摘要
申请公布号
JPH02250417(A)
申请公布日期
1990.10.08
申请号
JP19890070653
申请日期
1989.03.24
申请人
HITACHI LTD;HITACHI TOBU SEMICONDUCTOR LTD
发明人
SHIMAZU KATSUHIRO;KOMATSU TATSUYA
分类号
H04M1/64;H03H17/00;H03H17/02;H03M7/30
主分类号
H04M1/64
代理机构
代理人
主权项
地址
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