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发明名称
CONTROLLER FOR BROADCAST SOUND VOLUME IN PUBLIC SPACE
摘要
申请公布号
JPH05316598(A)
申请公布日期
1993.11.26
申请号
JP19920143196
申请日期
1992.05.08
申请人
KINKI NIPPON TETSUDO KK
发明人
NAKADA KOJI
分类号
H03G3/32;H04R27/00;(IPC1-7):H04R27/00
主分类号
H03G3/32
代理机构
代理人
主权项
地址
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