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发明名称
BELL RINGING DEVICE
摘要
申请公布号
JPH08123422(A)
申请公布日期
1996.05.17
申请号
JP19940295493
申请日期
1994.10.21
申请人
HARAMACHI SEIKI KK
发明人
KOOTAKA MITSUO;KOBATA YOSHIHIRO
分类号
G04C21/06;G10K1/064;(IPC1-7):G10K1/064
主分类号
G04C21/06
代理机构
代理人
主权项
地址
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