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发明名称
摘要
申请公布号
JPS5185741(U)
申请公布日期
1976.07.09
申请号
JP19750004615U
申请日期
1974.12.27
申请人
发明人
分类号
G02B5/10;G02B3/00;G02B5/08;G02B19/00;G02B27/00;(IPC1-7):G02B5/16
主分类号
G02B5/10
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