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经营范围
发明名称
Elektrische Klingelanlage
摘要
申请公布号
DE838414(C)
申请公布日期
1952.05.08
申请号
DE1949P031014
申请日期
1949.01.06
申请人
HANS LUTHER
发明人
LUTHER HANS
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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