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发明名称
FLUORESCENT CHARACTER DISPLAY TUBE
摘要
申请公布号
JPH04334855(A)
申请公布日期
1992.11.20
申请号
JP19910135575
申请日期
1991.05.10
申请人
RICOH CO LTD
发明人
KATO IKUO
分类号
H01J31/15;H01J29/52
主分类号
H01J31/15
代理机构
代理人
主权项
地址
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