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经营范围
发明名称
Bedienungsrufer mit Schwimmerreklame
摘要
申请公布号
DE494390(C)
申请公布日期
1930.09.22
申请号
DENDATK111377D
申请日期
申请人
FRANZ KIESE
发明人
分类号
G08B5/02
主分类号
G08B5/02
代理机构
代理人
主权项
地址
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