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发明名称
摘要
申请公布号
JPS60140024(U)
申请公布日期
1985.09.17
申请号
JP19840024898U
申请日期
1984.02.23
申请人
发明人
分类号
G02B27/32;G02B27/34;(IPC1-7):G02B27/34
主分类号
G02B27/32
代理机构
代理人
主权项
地址
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