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发明名称
Echo-sounding device with arrested indicators
摘要
申请公布号
US2384766(A)
申请公布日期
1945.09.11
申请号
US19390285310
申请日期
1939.07.19
申请人
PETER ORLICH;HANS HARTZ
发明人
ORLICH PETER;HARTZ HANS
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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