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发明名称
Improvements relating to apparatus for the measurement and recording of distances and particularly echo sounding apparatus
摘要
申请公布号
GB454285(A)
申请公布日期
1936.09.28
申请号
GB19350016254
申请日期
1935.06.04
申请人
ROBERT ANNAN;ALAN BURDON MCKINLAY
发明人
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
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地址
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