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发明名称
摘要
申请公布号
JPS6022332(Y2)
申请公布日期
1985.07.03
申请号
JP19800172563U
申请日期
1980.12.03
申请人
发明人
分类号
G02C5/20;G02C3/02;(IPC1-7):G02C5/20
主分类号
G02C5/20
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