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发明名称
摘要
申请公布号
JPS536390(Y1)
申请公布日期
1978.02.17
申请号
JP19700098876U
申请日期
1970.10.06
申请人
发明人
分类号
H01J43/22;H01J1/32;H01J1/35;H01J29/10;(IPC1-7):H01J1/32
主分类号
H01J43/22
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