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发明名称
摘要
申请公布号
JPS5951369(U)
申请公布日期
1984.04.04
申请号
JP19820145917U
申请日期
1982.09.27
申请人
发明人
分类号
G02B5/32;G03H1/02;(IPC1-7):G03H1/02
主分类号
G02B5/32
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