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发明名称
摘要
申请公布号
JPH0487818(U)
申请公布日期
1992.07.30
申请号
JP19900118498U
申请日期
1990.11.14
申请人
发明人
分类号
G02C5/14;G02C5/22;(IPC1-7):G02C5/14
主分类号
G02C5/14
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