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经营范围
发明名称
Elektromechanischer Schallpeiler
摘要
申请公布号
DE592276(C)
申请公布日期
1934.02.06
申请号
DE1931H129825D
申请日期
1931.12.13
申请人
PETER HEINRICH
发明人
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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