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发明名称
摘要
申请公布号
JPS5933014(U)
申请公布日期
1984.02.29
申请号
JP19820128226U
申请日期
1982.08.25
申请人
发明人
分类号
G02B6/32;G02B6/34;(IPC1-7):G02B7/26
主分类号
G02B6/32
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