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发明名称
ELECTROMAGNETIC BUZZER
摘要
申请公布号
GB2074773(B)
申请公布日期
1983.09.14
申请号
GB19810005798
申请日期
1981.02.24
申请人
DAINI SEIKOSHA KK
发明人
分类号
G10K9/18;G10K9/12;G10K9/13;(IPC1-7):G10K9/13;G04C21/34
主分类号
G10K9/18
代理机构
代理人
主权项
地址
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ENVIRONMENTAL SYSTEM FOR PROTECTIVE SUITS
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