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发明名称
摘要
申请公布号
JPS5745368(U)
申请公布日期
1982.03.12
申请号
JP19800122094U
申请日期
1980.08.27
申请人
发明人
分类号
G02B5/08;A47G1/04;(IPC1-7):A47G1/04
主分类号
G02B5/08
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