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发明名称
摘要
申请公布号
JP2954205(B1)
申请公布日期
1999.09.27
申请号
JP19980279304
申请日期
1998.09.16
申请人
YAMAGATA NIPPON DENKI KK
发明人
ITO KENICHI
分类号
H01J37/317;G01T1/29;G21K5/04;H01J37/04;H01L21/265;(IPC1-7):H01J37/317
主分类号
H01J37/317
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