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发明名称
Improvements in indicator phase meter
摘要
申请公布号
GB781028(A)
申请公布日期
1957.08.14
申请号
GB19550018949
申请日期
1955.06.30
申请人
OLYMPIC RADIO & TELEVISION INC.
发明人
分类号
G01S1/02;G01S19/14;G01S19/18;G01S19/39
主分类号
G01S1/02
代理机构
代理人
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地址
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