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经营范围
发明名称
Echolotgeraet
摘要
申请公布号
DE1077118(B)
申请公布日期
1960.03.03
申请号
DE1954E009704
申请日期
1954.10.16
申请人
ELECTROACUSTIC GESELLSCHAFT M.B.H.
发明人
HACH DR. HANS KARL
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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