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发明名称
摘要
申请公布号
JPS5822165(Y2)
申请公布日期
1983.05.12
申请号
JP19770149128U
申请日期
1977.11.07
申请人
发明人
分类号
G02B7/00;G02B7/18;(IPC1-7):G02B7/18
主分类号
G02B7/00
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代理人
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