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发明名称
Elektroakustische Fremdkoerpersonde
摘要
申请公布号
DE745504(C)
申请公布日期
1944.11.29
申请号
DE1941D085231D
申请日期
1941.06.13
申请人
发明人
分类号
A61B5/06;G01V1/00
主分类号
A61B5/06
代理机构
代理人
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