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发明名称
摘要
申请公布号
JPS5124230(U)
申请公布日期
1976.02.23
申请号
JP19740096489U
申请日期
1974.08.13
申请人
发明人
分类号
G03B15/08;G03B17/00;(IPC1-7):G03B17/00
主分类号
G03B15/08
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