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摘要
申请公布号
JPH01172008(U)
申请公布日期
1989.12.06
申请号
JP19880069602U
申请日期
1988.05.26
申请人
发明人
分类号
G02B6/02;G02B6/10;(IPC1-7):G02B6/10
主分类号
G02B6/02
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