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发明名称
摘要
申请公布号
JPS5420112(B2)
申请公布日期
1979.07.20
申请号
JP19720111178
申请日期
1972.11.08
申请人
发明人
分类号
H01J9/385;H01J31/38
主分类号
H01J9/385
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