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发明名称
摘要
申请公布号
JPH0416960(U)
申请公布日期
1992.02.12
申请号
JP19900058595U
申请日期
1990.06.02
申请人
发明人
分类号
G02B5/10;A47G1/00;(IPC1-7):A47G1/00
主分类号
G02B5/10
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