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发明名称
摘要
申请公布号
JPH0779016(B2)
申请公布日期
1995.08.23
申请号
JP19900211579
申请日期
1990.08.13
申请人
发明人
分类号
H01J37/09;H01J37/073;H01J37/12;H01J37/14;H01J37/143;H01J37/147;H01J37/16;H01J37/18;(IPC1-7):H01J37/143
主分类号
H01J37/09
代理机构
代理人
主权项
地址
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