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发明名称
摘要
申请公布号
JPS58118418(U)
申请公布日期
1983.08.12
申请号
JP19820013028U
申请日期
1982.02.03
申请人
发明人
分类号
G02C9/00;G02C9/04;(IPC1-7):G02C9/00
主分类号
G02C9/00
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代理人
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