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发明名称
摘要
申请公布号
JPS5738651(Y2)
申请公布日期
1982.08.25
申请号
JP19800067581U
申请日期
1980.05.19
申请人
发明人
分类号
G02B21/24;G02B21/34;(IPC1-7):G02B21/24
主分类号
G02B21/24
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代理人
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