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发明名称
MAGNETRON
摘要
申请公布号
JPH06119878(A)
申请公布日期
1994.04.28
申请号
JP19900404801
申请日期
1990.12.21
申请人
HITACHI LTD
发明人
ITO YUICHI
分类号
H01J23/20;(IPC1-7):H01J23/20
主分类号
H01J23/20
代理机构
代理人
主权项
地址
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