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发明名称
Improvements in sound detectors
摘要
申请公布号
GB657098(A)
申请公布日期
1951.09.12
申请号
GB19470034338
申请日期
1947.12.29
申请人
JEAN AUSCHER
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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