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经营范围
发明名称
A two-entry electromechanical door chime
摘要
申请公布号
GB0121507(D0)
申请公布日期
2001.10.24
申请号
GB20010021507
申请日期
2001.09.05
申请人
LEGRAND AND LEGRAND SNC
发明人
分类号
G08B3/10
主分类号
G08B3/10
代理机构
代理人
主权项
地址
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