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摘要
申请公布号
JPH0440175(Y2)
申请公布日期
1992.09.21
申请号
JP19870188509U
申请日期
1987.12.11
申请人
发明人
分类号
G02B6/36;(IPC1-7):G02B6/36
主分类号
G02B6/36
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