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经营范围
发明名称
Improvements in or relating to electrical cavity resonators
摘要
申请公布号
GB644410(A)
申请公布日期
1950.10.11
申请号
GB19480004019
申请日期
1948.02.11
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H01P7/06
主分类号
H01P7/06
代理机构
代理人
主权项
地址
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