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经营范围
发明名称
Lichtrufanlage mit Notruf
摘要
申请公布号
DE725789(C)
申请公布日期
1942.09.30
申请号
DE1936T046948D
申请日期
1936.05.23
申请人
TELEFONBAU;NORMALZEIT LEHNER & CO.
发明人
分类号
G08B5/36
主分类号
G08B5/36
代理机构
代理人
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地址
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