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经营范围
发明名称
Improvements in or relating to electrical apparatus for submarine sounding and analogous purposes
摘要
申请公布号
GB609014(A)
申请公布日期
1948.09.23
申请号
GB19460014571
申请日期
1946.05.14
申请人
THE SUBMARINE SIGNAL COMPANY (LONDON) LIMITED;WILLIAM GEORGE BIRD
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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