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经营范围
发明名称
Unterwasserschallsender
摘要
申请公布号
DE511307(C)
申请公布日期
1930.10.29
申请号
DENDATS079597D
申请日期
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
G10K9/122
主分类号
G10K9/122
代理机构
代理人
主权项
地址
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