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发明名称
Improvements in or relating to direction-or position finding and recording apparatus
摘要
申请公布号
GB328315(A)
申请公布日期
1930.04.28
申请号
GB19280038240
申请日期
1928.12.28
申请人
CYRIL HENRY PAGE WHEATLEY
发明人
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
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