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发明名称
ELECTRIC FIELD RADIATION TYPE ELECTRON GUN CLEANER
摘要
申请公布号
JPS5235973(A)
申请公布日期
1977.03.18
申请号
JP19750111982
申请日期
1975.09.16
申请人
HITACHI LTD
发明人
KUBOTA KIYOMICHI
分类号
H01J3/02;H01J37/06;H01J37/073;H01J37/26
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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