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发明名称
摘要
申请公布号
JPH0498025(U)
申请公布日期
1992.08.25
申请号
JP19910001370U
申请日期
1991.01.21
申请人
发明人
分类号
G02C5/22;G02C11/02;(IPC1-7):G02C11/02
主分类号
G02C5/22
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代理人
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