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发明名称
CATHODE COMPOSITION FOR MAGNETRON
摘要
申请公布号
JPH0221539(A)
申请公布日期
1990.01.24
申请号
JP19880172149
申请日期
1988.07.11
申请人
MATSUSHITA ELECTRON CORP
发明人
UESAWA KAORU;SAKAMOTO KOJI
分类号
H01J23/04
主分类号
H01J23/04
代理机构
代理人
主权项
地址
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