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摘要
申请公布号
JPH06101302(B2)
申请公布日期
1994.12.12
申请号
JP19900168270
申请日期
1990.06.28
申请人
发明人
分类号
H01J9/385;F02D41/14;H01J9/24;H01J9/40;(IPC1-7):H01J9/24
主分类号
H01J9/385
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