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发明名称
摘要
申请公布号
JPS6215784(Y2)
申请公布日期
1987.04.21
申请号
JP19810150332U
申请日期
1981.10.09
申请人
发明人
分类号
G02C5/20;B32B15/00;G02C5/16;(IPC1-7):G02C5/16
主分类号
G02C5/20
代理机构
代理人
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