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经营范围
发明名称
Improvements in or relating to a resonator wavemeter
摘要
申请公布号
GB599487(A)
申请公布日期
1948.03.15
申请号
GB19430003537
申请日期
1943.03.03
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01R23/04
主分类号
G01R23/04
代理机构
代理人
主权项
地址
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