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发明名称
摘要
申请公布号
JPS5879722(U)
申请公布日期
1983.05.30
申请号
JP19810174305U
申请日期
1981.11.24
申请人
发明人
分类号
G02C5/12;(IPC1-7):G02C5/12
主分类号
G02C5/12
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代理人
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地址
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