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发明名称
摘要
申请公布号
SE332226(B)
申请公布日期
1971.02.01
申请号
SE19660011993
申请日期
1966.09.06
申请人
MARCONI INSTRUMENTS LTD
发明人
分类号
G01R13/30;H01J31/12;(IPC1-7):G01R13/20
主分类号
G01R13/30
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代理人
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