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发明名称
摘要
申请公布号
JPS5759624(B2)
申请公布日期
1982.12.15
申请号
JP19740037253
申请日期
1974.04.01
申请人
NIPPON ELECTRIC CO
发明人
OONO SATORU
分类号
G02B23/12;G01N21/84;H01J31/08;H01J31/50
主分类号
G02B23/12
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