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发明名称
摘要
申请公布号
JPS59123829(U)
申请公布日期
1984.08.21
申请号
JP19830016981U
申请日期
1983.02.08
申请人
发明人
分类号
G02C7/02;G02C1/02;(IPC1-7):G02C7/02
主分类号
G02C7/02
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