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发明名称
TELEPHONE SET WITH AUTOMATIC VOLUME CONTROL
摘要
申请公布号
JPH0440142(A)
申请公布日期
1992.02.10
申请号
JP19900148045
申请日期
1990.06.06
申请人
SEIKO INSTR INC
发明人
SATO KAZUHIRO
分类号
H04M1/60;H04M1/18
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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