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摘要
申请公布号
JPS5183354(U)
申请公布日期
1976.07.03
申请号
JP19750004119U
申请日期
1974.12.25
申请人
发明人
分类号
G02B21/24;(IPC1-7):G02B21/24
主分类号
G02B21/24
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