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发明名称
摘要
申请公布号
JPS5538331(U)
申请公布日期
1980.03.12
申请号
JP19780119538U
申请日期
1978.08.31
申请人
发明人
分类号
G02C5/12;G02C11/02;(IPC1-7):G02C5/12
主分类号
G02C5/12
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