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经营范围
发明名称
BUZZER
摘要
申请公布号
JPS54133895(A)
申请公布日期
1979.10.17
申请号
JP19780041854
申请日期
1978.04.10
申请人
TDK ELECTRONICS CO LTD
发明人
SASAKI YUUSUKE;KONDOU HIROSHI;HAGA TATSUO;TANIGAWA YUKIO
分类号
H04R13/00;G10K9/12
主分类号
H04R13/00
代理机构
代理人
主权项
地址
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