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经营范围
发明名称
Dispositif de signalisation sonore
摘要
申请公布号
FR1476580(A)
申请公布日期
1967.04.14
申请号
FR19650033888
申请日期
1965.10.06
申请人
V & E FRIEDLAND LIMITED
发明人
分类号
G10K9/15
主分类号
G10K9/15
代理机构
代理人
主权项
地址
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