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摘要
申请公布号
JPS5937778(Y2)
申请公布日期
1984.10.19
申请号
JP19780039310U
申请日期
1978.03.29
申请人
发明人
分类号
G03B17/02;(IPC1-7):G03B17/02
主分类号
G03B17/02
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