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经营范围
发明名称
ELECTRONIC BUZZER
摘要
申请公布号
JPS54112194(A)
申请公布日期
1979.09.01
申请号
JP19780019450
申请日期
1978.02.22
申请人
SUWA SEIKOSHA KK
发明人
ABE KENJI
分类号
H04R17/10;G10K9/20;H04R17/00
主分类号
H04R17/10
代理机构
代理人
主权项
地址
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