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发明名称
Audible warning devices
摘要
申请公布号
GB9902821(D0)
申请公布日期
1999.03.31
申请号
GB19990002821
申请日期
1999.02.10
申请人
AMLANI, MANHAR
发明人
分类号
G08B3/10;G08B13/22;H04R3/00
主分类号
G08B3/10
代理机构
代理人
主权项
地址
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