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经营范围
发明名称
MAGNETRONS
摘要
申请公布号
GB8925000(D0)
申请公布日期
1990.05.30
申请号
GB19890025000
申请日期
1989.11.06
申请人
EEV LIMITED
发明人
分类号
H01J23/36;H01J23/40;H01J23/44;H01P5/08
主分类号
H01J23/36
代理机构
代理人
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地址
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