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经营范围
发明名称
Sirene.
摘要
申请公布号
AT154978(B)
申请公布日期
1938.11.10
申请号
ATD154978
申请日期
1937.11.25
申请人
HELIN HAGENER ELEKTRIZITAETS-INDUSTRIE G. M. B. H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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