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经营范围
发明名称
Improvements in or relating to scanning in radio echo systems
摘要
申请公布号
GB597429(A)
申请公布日期
1948.01.26
申请号
GB19450020393
申请日期
1945.08.08
申请人
FREDERICK CALLAND WILLIAMS;ARTHUR IVOR LLEWELIN
发明人
分类号
H01Q1/18
主分类号
H01Q1/18
代理机构
代理人
主权项
地址
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