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发明名称
摘要
申请公布号
JPH01166954(U)
申请公布日期
1989.11.22
申请号
JP19880063098U
申请日期
1988.05.13
申请人
发明人
分类号
H01J37/147;C23C14/30;H01J37/30;H01J37/305;(IPC1-7):H01J37/147
主分类号
H01J37/147
代理机构
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