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发明名称
摘要
申请公布号
JPS5950371(U)
申请公布日期
1984.04.03
申请号
JP19820146677U
申请日期
1982.09.28
申请人
发明人
分类号
G02B27/02;A47G1/00;A47G1/04;G02B27/04;(IPC1-7):A47G1/00
主分类号
G02B27/02
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