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发明名称
摘要
申请公布号
JPS5814327(Y2)
申请公布日期
1983.03.22
申请号
JP19800022534U
申请日期
1980.02.23
申请人
发明人
分类号
G02B6/36;G02B6/38;(IPC1-7):G02B7/26
主分类号
G02B6/36
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