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发明名称
摘要
申请公布号
JPS5740928(U)
申请公布日期
1982.03.05
申请号
JP19800118039U
申请日期
1980.08.20
申请人
发明人
分类号
G03B11/04;(IPC1-7):G03B11/04
主分类号
G03B11/04
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