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发明名称
improvements in or relating to cathode bodies
摘要
申请公布号
GB751507(A)
申请公布日期
1956.06.27
申请号
GB19540004213
申请日期
1954.02.12
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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