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发明名称
摘要
申请公布号
JPS5233241(Y2)
申请公布日期
1977.07.29
申请号
JP19740051084U
申请日期
1974.05.04
申请人
发明人
分类号
G02C5/12;(IPC1-7):G02C5/12
主分类号
G02C5/12
代理机构
代理人
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地址
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