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发明名称
SOUND VOLUME INDICATOR
摘要
申请公布号
JPS54100778(A)
申请公布日期
1979.08.08
申请号
JP19780007744
申请日期
1978.01.25
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKUHARA SADAHIRO;UEDA MINORU;YAMAMOTO HIROSUKE
分类号
G01R19/165;H04N5/445;H04N5/60
主分类号
G01R19/165
代理机构
代理人
主权项
地址
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