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发明名称
Improvements in or relating to phase-shifting devices
摘要
申请公布号
GB896627(A)
申请公布日期
1962.05.16
申请号
GB19580029693
申请日期
1958.09.17
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
WILLIAMS FREDERIC CALLAND;LAITHWAITE ERIC ROBERTS;EASTHAM JOHN FREDERICK
分类号
H01F29/12
主分类号
H01F29/12
代理机构
代理人
主权项
地址
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