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发明名称
SOUND VOLUME SETTING DEVICE FOR ANNUNCIATING MEANS
摘要
申请公布号
JPH01319796(A)
申请公布日期
1989.12.26
申请号
JP19880153229
申请日期
1988.06.21
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
NAKAMURA TAKESHI
分类号
G10K15/04
主分类号
G10K15/04
代理机构
代理人
主权项
地址
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