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经营范围
发明名称
Mit Pressluft betriebene Schallsignalanlage
摘要
申请公布号
DE523239(C)
申请公布日期
1931.04.21
申请号
DED523239D
申请日期
申请人
FRIED. KRUPP GERMANIAWERFT AKT.-GES.
发明人
分类号
G10K9/18
主分类号
G10K9/18
代理机构
代理人
主权项
地址
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