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经营范围
发明名称
OSCILLATORY BUZZER
摘要
申请公布号
JPH0271298(A)
申请公布日期
1990.03.09
申请号
JP19880223156
申请日期
1988.09.06
申请人
SEIKO ELECTRONIC COMPONENTS LTD
发明人
HAYASHIZAKI SHINICHI
分类号
G10K9/13;B06B1/04;H04R13/00
主分类号
G10K9/13
代理机构
代理人
主权项
地址
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