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发明名称
摘要
申请公布号
JPS60853(U)
申请公布日期
1985.01.07
申请号
JP19830092651U
申请日期
1983.06.16
申请人
发明人
分类号
H01J37/06;H01J37/248;H01J37/30;(IPC1-7):H01J37/248
主分类号
H01J37/06
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代理人
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