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发明名称
Improvements in and relating to screening cans for thermionic valves
摘要
申请公布号
GB777867(A)
申请公布日期
1957.06.26
申请号
GB19540035892
申请日期
1954.12.10
申请人
CARR FASTENER COMPANY LIMITED
发明人
HEATH CLARENCE WILLANS
分类号
H01J5/12;H01J19/66
主分类号
H01J5/12
代理机构
代理人
主权项
地址
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